The card I’m looking forward to most is last, also from the great guys at OxfordTEC
The is the very latest Ralink chipset in a USB package.
And also one of the very few Dual band USB devices out there.
This should do very well for those not with MiniPCI(e) ports.
Review of this coming soon

SparkLAN WUBR-505 Wireless-N 802.11abgn draft 2.0 dual band 2T/3R USB Adapter (Ralink RT2870)

Dual Band 2.4Ghz/5Ghz, up to 300Mbps data rate, 6x better performance
SparkLAN WUBR-501 USB Adapter is IEEE 802.11n draft 2.0 compliant. It can deliver 6x better performance than normal 802.11g while fully backward compatible with conventional 802.11g gears. MIMO technology (multi-in, multi-out) is successful in enhancing coverage range and throughput and save the cost to purchase additional devices to deploy household WLAN environment. SparkLAN Wireless-N USB Adapter achieves incredible data rate of up to 300Mbps, which can allow you to enjoy high speed internet access for data, video, and voice at home and office. It is designed to stream bandwidth-sensitive applications, including VoIP phone calls, networked TV, IP STB, time-crucial movies, music, data, online game console, and high-definition video.

Dual-band wireless client
WUBR-505N Dual-Band Wireless USB Dongle uses the very latest wireless networking technology, Wireless-N (draft 2.0). It also works great with 802.11b/g, and 802.11a networks. Operating either in the 2.4GHz and 5GHz frequency bands, WUBR-505N effectively increases the available wireless bandwidth and reduces wireless interference. It allows you to connect using whichever band works the best for your situation.

Ensure your security and privacy
To secure your wireless network and protect users against hackers, SparkLAN Wireless-N USB Adapter incorporates the latest WPA2 encryption, WPA with AES and TKIP.

Product Hightlights
IEEE802.11n draft compliant
Delivers up to 300 Mbps data rate
6x better performance with MIMO technology
Ideal for bandwidth-sensitive application
Designed to stream movies, music, photos, HD video, VoIP phone calls, and large file
Backward compliant with 802.11b/g
Advanced security: 64/128bit WEP, WPA, WPA2
RF Chain: 2T3R for HT20,HT40, 1T3R for 802.11b/g mode