After loads of time I came to a conclusion, I finally bought a new PC.

Rate it.

AMD II X6 1050T (2,8 Ghz)
4 Gigs of DDR3-1333
NVIDIA Geforce GTX 460 1 Gb
2 TB HDD SATA II / 5400rpm / 32MB / 8,9ms
Windows 7 HP 64-bit

Wohoo