Best Laptop For Photos 2010 How To Speed Up My HCL Laptop? Read Full Detailed Question First .please..?

How to speed up my HCL laptop? Read full detailed Question first .please..? - best laptop for photos 2010

how to speed up my laptop HCl?
It LCC Notebook Intel Mobile CPU 1.66GHz
512 MB DDR2 RAM (1 chip)
and 2 MB L2 Cache, 128 MB of graphics memory 56 MB video memory accelaration

Now the question is ... How to speed up my laptop?
Problem 1 - I want to play Sims 3, Quake 4 ms and NFS for 2010 Beta 2, as the game in high memory consumption.
Problem 2 - on the otherhand, I also work in Corel 12 Beta 3, Photo Shop CS4 and many other packages AffetAffects sound editing and sound, etc. Fourg
Problem 3 - I want to install Win7 instead of Windows Vista Premium on my laptop. I need to increase the RAM.

but I can change processor 1.66 GHz, ie.
So I give the best solution for all these tasks speeds
- Do I uncreatedSE RAM. ?>? If so, how? i ve 2 RAM slots on my laptop HCL.
- You need an additional hard drive as .... but I have 520GB SATA HDD on it.
- Is it possible, support for additional memory, which add a connection via USB. ? yes, then please call me at this kind and install the entire procedure.
because I do not want to spend money today on my laptop.