OSX86 Lion 10.7 Kexts for Dell VOSTRO 1015

I have a DELL laptop VOSTRO 1015 which has the following specs:

SMBios version 2.4
Dell Inc. 047MWF
Bios: Dell Inc. A06 11/26/2010 taille: 2048Kb

North bridge: Intel GM45/GM47
South bridge: Intel 82801IM (ICH9-M)

Processor

Intel Celeron 900 Penryn Socket P (478) (@45 nm) 2200 Mhz ( L1I: 32 Ko, L1D: 32 Ko, L2: 1024 Ko )

WDC WD1600BEVT-75ZCT2 11.01A11 (SATA II, 149.05 Go, Cache: 8 Mo)

WDC WD1600BEVT-75ZCT2 ATA Device

Realtek Semiconductor Co., Ltd.:RTL8111/8168B PCI Express Gigabit Ethernet controller:
Broadcom Corporation:BCM4312 802.11b/g LP-PHY: Wireless 1397 WLAN Mini-Card

Intel Corporation:Mobile 4 Series Chipset Integrated Graphics Controller

Intel Corporation:82801I (ICH9 Family) HD Audio Controller:

Ricoh Co Ltd:MMC/SD Host Controller
Ricoh Co Ltd:Memory Stick Host Controller

Quanta Computer, Inc. Integrated Webcam
DRAC 5 Virtual Keyboard and Mouse Wireless 360 Bluetooth (Generic Bluetooth Adapter)

I can't seem to find the right kexts to get the following to work:

1) Graphics card (to get right resolution)
2) Wifi card to get internet access
3) Audio
4) Integrated Webcam
5) Ethernet controller
6) Memory Stick Host Controller

I appreciate your help if anyone can point me to the right drivers for this machine Thanks again!