According to OSx86 wiki this laptop should work very well if you swap out the wifi.

GX620

• Install Method: Mac OSX Snow Leopard Retail DVD [10B504].
• OSX Version : 10.6.1 - Kernel 10.0.0 - Chameleon RC3 Bootloader.
• CPU: Intel Core2Duo P8400 @ 2.26GHz - VANILLA.
• Graphic card: Nvidia 9600M GT 512MB DDR3 - QE/CI work! EFI String - resolution max: 1680x1050.
• RAM: 2x2 GB DDR2 800 MHz.
• Hard disk: 320GB WD Scorpio Black [7200rpm] SATA.
• DVD-RW : Works out of the box.
• LAN : Broadcom 440X 10/100 - Works out of the box.
• Firewire : IEEE 1394 @ 400 MHz - Works out of the box.
• Keyboard/Trackpad/ Fully Working - Used VoodooPS2Controller and AppleACPIPS2Nub.
• Sound : HDA : Works with VoodooHDA.kext.
• Wireless : Dell 1395 b/g : Works out of the Box.
• Bluetooth : Works out of the box.
• RICOH 3 in 1 Card Reader : Works with IOSDHCI kext.
• Power management : Sleep, restart, Shutdown, Battery icon : Working
• Kext used : VoodooHDA - ApplePS2Controller - ACPIPS2SNUB - IOSDHCI - Sleep Enabler - FakeSMC - (All kext are compiled for Snow Leopard!)"

My question is has anyone able to replicate this or know who wrote the wiki? I tried it with 2x partition + usb install. After that the SL gets stuck at the gray apple screen. Using -v to boot I see it gets stuck on IOHIDEvent, right after it loads the realtek lan stuff. Please help