Upgrading the "original " Rogue Sphinx integrated amp to the new version 2 (v-2)??


I have the original Rogue "Sphinx" integrated amp which was introduced approx. 4 years ago. There are upgrades now available for $400.00 plus round trip shipping. The upgrades focus on headphone output level;  increasing output level of phono stage, and general noise floor reduction,  Has any original  Rogue. Sphinx owner had these upgrades done?? and is it WORTH IT, THAT IS, demonstrates a noticeable improvement in sound quality. especially noise floor

I ask because the upgrades with  shipping will cost $600 from Rogue's factory in Pennsylvania to the West Coast ( they will not pay for return shipping).  It is a nice integrated amp, but no classic. I have considered taking that $600 and adding maybe $1100, and buying something new or used mint that is superior in sound quality for around $1800-$2000. Must have a excellent phono stage that can do both MM/MC, and be 100-150 RMS.   All suggestions and recommendation are welcomed.   Thank you

sunnyjim

To Devil boy. Checked out Clones Audio, and the price is reasonable for separates of AP2 pre-amp and 55PM mono power blocks. However, regardless of their great sound which seems to have impressed everyone at 6 Moons publication, the AP2 pre-amp has no phono or headphone amp. I could always buy an almost equivalent phono stage to much touted  PA1 and PS, like the Vincent two piece set usually on sale. However, the Rogue has a good to very good tube  head phone amp. I only use phones at night to listen to classical, but if I search for  the phono stage and head phone amp to accommodate AP-2, I would easily spend $600-800 for used items.  Worst case scenario, the pre-amp at $1120  plus 700.00 more for the other accessories, and the ticket is nearly $2000, and still no amp.

It  seems much more reasonable  if I was to buy separates instead of 25i integrated which also offers no phono or head phone amp, I would be better served finding an excellent pre-amp with at least a good headphone.  or a pre-amp with both good  phono and  headphone stages.  Unfortunately, the amps may not  match well with the output impedance of other pre-amps.

In some of the reviews, the name "Furjoe" is often referred to, who I assume is the design engineer who have designed  the 55PM  mono amps to work optimally. with ONLY his mono blocks.  Despite the reasonable pricing, this company's products are becoming less and less interesting to me because of their lack of utility functions. 

Therefore, DB, considering what you may feel is the ripoff of the big ticket items recommended by so-called major "ragazines"  , I am not convinced these products serve my sonic and/ or simple functional needs. however,  I don't need or want an inboard DAC,  HT loop, multiple inputs for several subs that many of the big ticket components feel is needed by consumers....  BS, they are just ratching up the retail price. and misdirecting manufacturing costs that could be used for better parts,  mil spec transformers, etc.  

I can appreciate Clones Audio desire to strive for the best sound without the bells and whistle, but a few are necessary.  BTW, there is also no guarantee the mono amp will sound good,  or have enough power with either the Maggie .7 or the 1.7i    I think I will pass at this moment, unless I hear them at some audio store in SoCal, and am convinced of their superior sound quality to Rogue, PASS. ARC. etc..

Sunnyjim, I have been away for several days traveling. I like your thinking regarding making a significant upgrade. Given that you seem happy with your Sphinx and have owned it 4 years you could keep it a couple more without it losing much value to depreciation. I would start a 'piggybank' for this purpose and continue research towards an upgrade that will make a greater impact. 
Thank you the response. What you said makes good sense. There is an upgrade path which cost about $500, but all that merely get me more out put on phono stage and more on the head stage (I don't need more there because i have a pair of AKG 240 Reference phones which are very good.)  Rogue HQ claims that improvements to the phono circuit  provides a 3.5mV range for highout coils. That will work with Dynavector 10X5, but with the Denon 101R which has a ..035.mV  output or the  Ortofon Quintet Red which is at.. 03.mV. I need to see some definitive proof that this amp upgrades provide a lower noise floor.  Rogue screwed up by not providing a simple pre-amp out on this integrated. I guess they want customers to buy their new line of pre-amps. Therefore, I  believe the upgrades will only  be marginally helpful.. 
This is an old thread, but I just tried the variable out on my Sphinx v2, and it does not run through the tubes.  How do I know? - when you switch the power on from standby look through the grating over the tubes.  They start lighting up.  Put a signal through the variable outs, and then put the amp back on standby.  The signal continues.  The tubes fade out.  Plus I got a low level noise in the speakers, which I did not track down.  I expect the var. out runs through a circuit similar to the headphone jack.