on this list
HCL 10.6.3 - OSx86
it says i can use this gpu
Newegg.com - XFX HD-577A-ZNFC Radeon HD 5770 (Juniper XT) 1GB 128-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card
and this wireless card
Newegg.com - ASUS PCE-N13 IEEE 802.11b/g/n PCI Express Wireless Adapter Up to 300Mbps Wireless Data Rates 64-bit/128-bit WEP, TKIP, and AES WI-Fi alliance WPA, WPA2

now my main question is that are lepord like 10.6.3 and 10.6.2 and 10.6.2
now how do i know which one i am buying
will i get the latest one if i buy from mac amazon or newegg
and will the hardware that was compatible with older version be compatible with the newer one

should i use core 2 quad or i5

anybody know any good motherboard that is mini atx