Yes, I have miniPCI-express with chip broadcom BCM4322. It is dual band wifi card, supports a/b/g/n standards of 802.11. it is cheap and working perfect under MacOSX 10.5, 10.6 (32+64bit), Windows and Linux Ubuntu 9.10, too. In some laptops, card is recognized as Dell Wireless 1505 wifi card.
(pci14e4,4328)

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Dell Latitude e6500
CPU: Intel C2D T9600 @ 2,8GHz / 1066MHz / 6MB
RAM: 4GB DDR2 800 MHz
VGA: NVidia Quadro NVS 160M 256MB
Sound: (working voodooHDA)
WLAN: Dell Wireless 1510 abgn @ BCM4328
LAN:' Intel
HDD: Samsung SSD 128MB SATA-II
Screen: 15,4" 1920x1200@60Hz
Snow @ 10.6.7