Upgrades help

[Edwin Phate]

Firstly i want to to dual boot i have a 250gb hd but its partitioned in half.

I Also want to upgrade the Psu and Gfx card.
Acer M1100(acer support blows)

Current specs
Vista Home Premium Sp1
DualCore AMD Athlon X2, 1900 MHz (9.5 x 200) BE-2300
AMD 690V, AMD Hammer
NVIDIA GeForce 7300 GS (256 MB)
Realtek ALC888/S/T @ ATI SB600 - High Definition Audio Controller
250 GB, 7200 RPM, SATA-II)
114376 MB (59621 MB free)(C: Drive)
5gb ram 1-2gb/3-1gb ram sticks 3.5gb used-5gb recognized.


I wanted to use this psu
http://www.newegg.com/Product/Product.aspx?Item=N82E16817153023

and this gfx card
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130332

can i do it help plz.