Tried the surge protectors, including several different ones.
The desk is too small to really move the sub away from anything else. Sub wise, I have had it at 5-10% most of the time!
Ill have to give the comp downstairs a go for 30 mins to see if the speakers crackle on it. I know at least part of it is the computer as they dont crackle when theyre disconnected from the PC but are powered on. Have a sneaking suspicion it could be from not using mobo spacers, but at the same time its a spacerless case?!
The creative speakers Id read about were these ones:
http://www.ebuyer.com/product/153032I almost got these for the tv, but ended up getting some logitech affair for it, which seem to be doing the job, though the sub is turned down to about 3%! (literally 1mm from being turned off)