Im new to installing mac os x 86 on my Gateway M-Series Laptop Intel(R) Core(TM)2 Duo CPU T5550 @ 1.83GHz . I need the kext for my audio, wifi, and others. My options i select for install is below:-

DVD: Kalyway 10.5.2

Additonal Fonts: NO
Languages: NO
Kernel: Kernel_vanilla_92 (am i suppose to use 9.2_sleep or _speedstep???)
Graphics: Intel_GMA GMA9500
Audio: Intel NVIDIA VIA ATI HD Audio Controller & Realtek Sigmatel Conexant
Network Card: RealtekR1000
Wifi: NO
Mobo Chipset: All Selected
Third Party Apps: KextHelperB7 & Xbench
Patches: boot_with_cpus=1_flag , PCGenUSB_Fix , PowerManagement_bundle

Does anyone have the kext for drivers below??

Network Adapter Intel(R) Wireless WiFi Link 4965AGN
Network Adapter Realtek RTL8101E Family PCI-E Fast Ethernet
Audio: SigmaTel High Definition Audio CODEC
Intel(R) 82801HEM/HBM SATA AHCI Controller
IDE Controller Intel(R) ICH8M Ultra ATA Storage Controllers - 2850