Protecting AMP and Cleaning AC Power


I have been looking at the Furman Elite-15 DM i
to connect my tube amp, DAC and streamer. 

It seems clear from other forums that the DAC could gain some benefit from cleaner power.  

But it other forums also point out that AC filters could also limit the amp performance.

what cost effective approaches have others taken?
psickerson
I am in a unique and different situation myself but i have devoured info on this subject,you will never get a 100% answer either way. Price is a concern? if so i think there is one used here for a few hundred bucks. do you need to control voltage? i do so i lean toward the p series like the p2400ar i do like the reference it( it woud be my choice if i didnt need voltage reg)  if you want to put an amp thru it dont skimp it will cost ya imo .. core is also coming out with a 1500 and 1800 watt supply this month ,conditioning power is a hot debate . if you do run balanaced power it will cost ya.hit up eric squires he has alot of knowledge in this department and i think he may also have a 15 for sale ..

The guys at McCormack told me not to use anything between the amp and the wall outlet. So, I don't.
I do have a PS Audio Dectet for the other stuff. I, too, am concerned about power fluctuations and spikes, but, despite numerous power outages, my DNA-1 amplifier hasn't suffered any damage to date.
If I could afford a power regenerator, maybe I would get one, but, being a poor gardener with a taste for quality sound, I think I can live without one.-Besides SMc, can fix anything that happens, and upgrade it to boot.
Thanks for all the responses.  

i worry to plug my tube amp directly into the wall.  I live in NC and we have frequent  lighting storms.  Should I just plug the amp into a surge protector power strip or is there a better way to go about doing this?

I will have a max of 7 component to plug in.  
For outstanding protection from surges and over and under voltage, get a Panamax MR4300. Same company as Furman. Just as good, not as expensive. The unit has high amp outlets and although is not 100% passive it is nearly 100% passive. It has basic line filtering too for noise, etc.
Another vote for PS Audio Premier Power Plant, it makes a big difference in soundstage and depth and the results are immediate when I take it out system and plug everything directly into the wall. I simply can't live without it in system.