Software
I use Cubase 5 (in 64 bit version) as a DAW and most of its quite powerful internal effects and audio processors for mixing and mastering.
Windows 7 64bit :-s
Instruments:
East West Ministry of Rock
East West Symohonic Choirs
RGCAudio z3ta+
Native Instruments Massive
HALionOne
Polyvoks Station (soviet synth emulation)
Drumatic 3
easy-drum-X8-Free
Transcender
AM Tablesynth
etc.
Hardware
io|2 Audio Interace
some behringer mixer ^^
some cheap keyboards
Access Virus
Dave Smith Instruments Mono Evolver (not anymore ;-| )
AMD Phenom Quadcore
8 GB DDR2 Ram
coming soon: some pics