Hey for the hard percussive try:

Blackout Audio (voila!!)
Unknown Forces
Drumworks
Native Diffusion
Compound
Construct Rhythm
Decomplex Audio -mmmm yeah!
Giant & Dwarf
4X4
Collapse
Jerk
Lifeform
Kiddaz
Composure
Definition
Audio
TST
Monoid
SUBmisiions
HEROES
Punish

etc. etc. If you need more check some reviews at www.technosisdjs.co.uk