Time to upgrade ??

[Bad-Co]

OK, here's my current set up

Aspire X-Qpack in Silver with Windows
Seasonic PSU
AMD Athlon64 3700+
ASRock 939A8X-M
2Gb Crucial PC3700
Gainward 6800GT AGP GFX
320Gb Samsung HDD
Pioneer 106 DVD-RW Black
Zalman (CNPS7000B-CU) CPU cooler
Zalman (VF700-Cu LED) GFX Cooler
Noiseblocker Ultra 120mm fan

http://forums.overclockers.co.uk/showthread.php?t=17528536


I'm looking to upgrade the GFX, CPU and Mobo.
I'd rather keep the case, what do you guys recommend?