Ur current proccy is not so bad unless u gonna do some serious work or gammin.
If ur a gamer, first get a good card nd its more woth money for gamers than CPU.
If you compare the Intel® Pentium® D Processor 945 with the Intel® Core™2 Duo Processor E6600 the major differences that you'd find are the front bus speed being 800Mhz on Intel® Pentium® D Processor 945 while it is 1066Mhz on Intel® Core™2 Duo Processor E6600..
Also the features VT± Intel Technology.
Check the comparision charts and Intel site and Toms Hardware for benchmarks.
What about Pentium Dual Core 3.4 GHz L2=4MB @ 800MHz FSB?
Any1 can give Mumbai price ?
Intel Pentium D 950 Presler 3.4GHz 2 x 2MB L2 Cache (4MB total) LGA 775 Processor costs Rs.8300/- in Lamington Road, Mumbai...your local vendor might charge you a few hundred more but it'll save you the trouble of going to Lamington Road + if there are any problems you can just hand it over to your local vendor and he'll send it to the manufacturer for repair/replacement.
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Intel D805 on D101Ggc/XFX8600GT/Transcend 2GB DDR /250+160GB SATA+WD250GB External/Epson StylusCX5500/LG DVDRW/Acer19" LCD/ VISTA HP & Sabayon 3.3/Compaq Presario V6112AU 2GB Ram/nVIDIA6150/VISTA HP