CPU Upgrade from P7350

Hey guys, i want to upgrade my HP DV5-1016tx Laptop's processor from P7350 to "something really fast".

I'm using F.11 BIOS.
It has PM45 Chipset.
I want a quad core basically (for my software requirements like rendering, etc)

I'm learnt from net that P7350 is placed on a P Sockets.
p7350 is 25W and if i do replace with a processor of high Watt capacity, do i need to change anything else ??

I don't think i7/i5 fits on socket P ..
i think only XQ9XXX is a quad core which fits on Socket P.
And i would like to know if i'll face any heating issues.
Or any really fast processors as well would suffice my needs.

Running on DDR2 800 MHz (2+2).

P.S: Also overclocking 9600m GT DDR2 to stock 9700m GT DDR2 (not sure if ddr2 exsits ..
but something like that xD )

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