yep graining is noise you get that the higher the is0 lower the clearer as said its all about light the less light you have the higher you have to go, its deffo the right move slr as if you went digi youd find after a while the benifits of an slr are far great in terms of speed and pic quality my next badboy will be a 1ds mk2
i have the nikon 8800 at mo