So looking for a new psu , this was my last psu
http://www.silverstonetek.com/products/p_contents.php?pno=st75zf&area=
i have
1 SATA 750GB
2 ATI x1900's crossfire
DVD writer
5 Fans
+ 6 usb connections
So im guessing about 800W ? as the last was 750.
Thanks
so gutted bored as hell now , cant do much on a Mac 
+ has to be from OCUK
http://www.silverstonetek.com/products/p_contents.php?pno=st75zf&area=
i have
1 SATA 750GB
2 ATI x1900's crossfire
DVD writer
5 Fans
+ 6 usb connections
So im guessing about 800W ? as the last was 750.
Thanks


+ has to be from OCUK