-------------UPDATE--------------

Ordered:
Dell 2208WFP
Gigabyte EP45-UD3P
Nvidia EVGA GTX 260 Core 216
G.Skill Pi Black 4gb
Tuniq Tower

I went to Lamington couple of days back to buy processor, psu and cabinet. I had planned to buy e7400, corsair vx 550 as vx450 doesn't meet my gfx min. requirement and CM 690. Non of the shops had a CM 690 and VX550 including prime and mahavir Even cooler master real power 550/650 was not available It was so frustrating that i picked up E8400 instead of E7400 as i had the extra cash.

I know H2O, Gannu, Amien & sri_k will curse me

I am very confused and unable to decide a PSU and cabinet . The following PSU's are available to lammy:
Corsair TX 650 - Rs. 6700
CM Silent Pro 600 - Rs. 6995
CM Silent Pro 500 - Rs. 5200
Corsair VX 550 is available online at Rs. 6000 which i find worthless @ 6k. Which one to pick?????

CM 690 will be available by this month end.I think i'll wait till 29th for CM690. Can you guyz suggest an alternative to CM 690 in case it's not available.