My other specs are:
2x2GB DDR2 RAM
AMD 630 2.8GHz x 4
Corsair VX550w (One 6pin connector? Not too sure)
1680x1050 resolution Monitor
Biostar GF8100 M2+ SE Mobo
I would also like to ask if any other of my components will bottleneck a new card.
Your cpu and ram will bottleneck.