The new Wireless N USB Adapter from TRENDnet (TEW-684UB) is Dual Band and supports the latest 450Mbps technology. Its shape is very similar to the 450Mbps Gaming Adapter, also from TRENDnet, but its much smaller and does not require extra power, coming with USB connectivity.
You do software updates to get the most from favourite programs right? Updating a motherboard BIOS can in a timely manner is also critical. The guide to Flashing a Motherboard BIOS spells out the often complicated steps in plain english. PCSTATS Tips