Hey Stratdave
I have both ITs and Apaches (both in Ash strats IT maple FB, Apaches Rosewood FB) and they are bloody fantastic. I love a big fat and driving distortion but love my cleans, cannae be bothered with humbuckers though :) . The ITs will drive your amp more and with more bass and will definately give you a fat distrtion. In fact go to
http://www.myspace.com/fortyseconds nd listen to the player thae stage. I am the lead guitarist playing the clean and distortion with delay and the complicated rhythm part in the middle B and lead party at the end. That is all done with my IT strat, the distortion is mainly in position 4 but the lead and the complicated rhythm is bridge only. There's no EQ or compression either, the tones recorded were so damn good :) (the other guitar is a tele with a yardbird neck and the singing, my bro, sings through his piledrier bridge)
The Apaches are noticably thinner than the ITs will lead bass but much more bite and that great 50' sound, and by adding a bit more bass to your amp EQ can easily make a huge distorion (i use a DSL 50 head btw).
Finally, staggered, hmmm.... my apaches are staggered but my ITs are not. not too sure on the difference it would make. As for the bending and loss of volume, i dont get it, even before running my keeley compressor before at the strat of my effects. Maybe deg0ey, your notes are choking on dodgy fret work, action is too low or the wood doesnt have the same sustain levels as other blocks of wood.
Hope my essay helpoed :)
Joe