Im new to this and i was wondering if you guys could give me some suggestions to make it run better. If there is any additional information you need just let me know and i'll do my best to get it for you. Thanks in advance for any help you guys are able to offer.
Should be fine for the first 4 .hack games even with that CPU.
I suggest you use the latest GSdx or at least the one that came with PCSX2 0.9.8 (GSdx 0.1.16 r4600) and enable some speedhacks starting with the recommended ones.
Baldur's gate 2 is not playable as far as I know.