Wadia 170iTransport - To mod, or not to mod?

I need to fix something in my last post (and don't see a way to edit).

After adding the TADAC, the stereo path is: WADIA/Ipod (not Onkyo) > TADAC > Sunfire TGA-7400 > bi-wired to Salk SongTowers (because TGA-7400 has current source and voltage source outputs).

I will continue to watch for other iTransport improvements such as Nrostov's great results with Wadia mods (linked above). Keeps me wondering how much better SQ can get?

Noshortcuts,

One mod I didn't get because I didn't feel like spending the money was to mod the Wadia so that it is battery powered. Even though I am using a Shunyata python as a power cord, and running it through a Shunyata V-Ray, I would imagine taking it completely off the electrical grid would be an improvement. Given my setup though I don't know how much of an improvement it would be. Is say a 3% improvement in sound quality worth an extra $695? In these tougher economic times these are the things I think about. Even though I can afford it I always ask is it worth the money.

MY WADIA 170T ALL MOD
1 POWER UNIT AC/DC CONECT WBT
2 CLOCK 12.0000 MHZ 0.001 PPM
3 CLOCK POWER 5V CONECT RCA
4 4 DIGITAL OUT(AES,RCA,OPTICAL,BNC)
5 WORD SYNC CLOCK , IN AND OUT

ALL MY DIY