Iff'n you'd like to try individual isolation transformers for each of your source components, < 100va, here is an inexpensive way to try, and it includes both hardwired input(plug) and output(IEC) cords.
http://stores.ebay.com/emesurplus__W0QQ_sacatZemesurplusQQ_sidZ287233315?_nkw=isolation+transformer&submit=Search4 individual units for $32!

The seller sells a single for $8, or 2 for $15 (check his other listings), but as its $15 shipping for 1, 2, or 4 via UPS or Priority Mail, be a big spender and collect all 4 and trade with your friends.
Not my cuppa, but definitely Cheap 'n Cheerful.