purchasing a Scout/Scoutmaster: need input please

hello analogers,

this will the first time i purchase a hi end TT. i've owned a couple of technics 1200 mk2 over the years. i've never owned a "hi end" system beyond an $800 denon 5.1 receiver with a parasound digital processor which is about 8 yrs old now. my front speakers are jbl studio (also 8yrs old) 3 way with a 10" driver. my 1200 is connected straight into the denon phono input.

for years i've been wanting to upgrade my TT.
i've also been wanting to "properly" archive my vinyl collection to a digital format so i can travel with my music. remastered cd's never sound as good as the original vinyl pressing. they sound good but not the same dynamics and they sound different..period. i'm a recording engineer and i have professional quality A/D convertors and software so i have that part covered. i'm a big analog fan and in the studio, i still record to 24trk tape machines (i have 2 studers) and have a huge collection of vintage mics, eq/pre's and compressors (while all my peers have completely embraced digital multitracks like pro tools or logic). i've purposely kept my home system moderate because i'll sometimes test my mixes at home and i wanted a system that would be like an average home theater set up. so i'll probably keep the setup for movies but i'm going to upgrade the phono section and eventually a seperate amp. the jbl's are efficient enough and actually sound great in the room and have a nice flat response which i prefer.

i've been researching and thinking of getting either a VPI SCOUT or scoutmaster W/JMW 9 TONEARM and going for a P75 mkll to start.
-elusive disc sells a scout with the dynavector 20xH (1mv) for $2250.

-there's a scoutmaster for sale here on audiogon with the jmw-9 signature and a 20xl cart (250hrs) for $2150. cart needs to be installed.
http://www.audiogon.com/cgi-bin/cls.pl?anlgtabl&1266390211&/VPI-ScoutMaster-Signatu-w/-Dyn

-and at better records a scout with the Anti-Skate Option and the Aries Stainless Steel Clamp for $2850.
http://www.dccblowout.com/product.aspx?pf_id=vpiscout_

questions:
-are the scouts/masters too much TT for my current system? or would i hear a clear difference with the scout paired with the P75 into the receiver? i plan to upgrade the amp stage later on down the line.
-is 250hrs low mileage for a cart?
-how long do good carts last anyway?
-is it hard to install and setup a cart and tonearm? i can do the wiring easily but i'm a stickler for perfect calibration and i know i won't have the time or instruments to do it perfectly. i do enough critical tweaking at the studio and it would bug me that i haven't gotten it perfectly and i could spend days tweaking it. if my schedule was 9 to 5 i wouldn't think twice but i simply don't have the time. so i would tend to go for a pre-installed cart. i know eventually i'd have to replace the cart but i'll cross that bridge...
-i've read the dynavector is a good match with the jmw but a lot of it were the 10x5. anyone recommend the 20x with the scout or scoutmaster?

i would like to stay under $3k including the p75 unless someone can convince me to go the extra mile with a new scoutmaster or convince me that it's okay to go with the used scoutmaster and install the cart myself.

sorry for the long post but i thought it appropriate to go into details. oh yes i will spend some money on a good record cleaner...yikes, there's another $400 or so.