Help me in choosing the cabinet...

Hai
I have planned to buy a new PC for avg. gaming and some CAD desing. My budget for it is abt 40-45k.....The config. of mine is

Processor: Intel Core 2 Duo E8400 (45 nm) 3GHz
Motherboard: Intel DP35DP
Memory: 2GB (1GB *2) DDR2 800MHz Transcend JetRAM
HDD: Seagate 7200rpm SATA 250GB
Graphics Card: Asus EN8600GT 256MB
TV tuner card:Leadtek winfast PVR2000
Optical Drive: Samsung SH-203B 20x SATA DVD Writer
Cabinet: Cooler Master Elite 330confused:
Power Supply: Cooler Master eXtreme Powerconfused: is this ok or any change needed)
Keyboard,mouse: logitech

Monitor 19"(Samsung or Viewsonic) (Give me the model and rate)
Speakers: Creative Inspire 2400 - 2.1ch

I have some doubts also....
Will my mobo siut the cabinet that i have choose.. If not tell me another one with model and rate.....(not Abit)

My mobo has a IR port in it so that do my cabinet must also have IR port??????

What is SMPS ????????

Pls help me as soon as possible.......Awaiting for the reply.......