Is this psu enough ? What should I change?

[IamNewie]

Setup :
- I5 3570k
-H100
-MSI Z77 Mpower
-MSI GTX 660ti PE
-Corsair 8gb(2x4) 1600mHz DDR3
-Asus Xonar DX
-Seagate 1TB
-Vertex 3 120Gb (Boot Drive)
- Seasonic G 550w 80+ Gold
-Corsair Vengeance C70
-Asus DVDRW
-Windows 7 Home premium

 

[smeezekitty]

The PSU should be enough although it is on the low end.