Yep, that's the motherboard that I'm using all right, even the colors are downright similar. what exactly do you mean by CPU and RAM bottleneck? I'm a real beginner when it comes to PC terms.
by the way, here is my system specs:
Processor: Intel Core 2 Duo E7300 2.66 Ghz
Mainboard: Abit 145D
Memory: 1 stick of 2GB PC2-5300 DDR2
VGA: Currently using Radeon HD4650, will upgrade to HD 6750 if available
Harddisk: ST3250310AS 250 GB
DVD-RW: Samsung TSSTcorp CDDVDW SH-S202J
OS: Microsoft Windows XP SP3