CNET has taken a look at the WUSBF54G Wi-Fi adapter from Linksys. Here's a small quote from their full review

With the introduction of its new WUSBF54G, Linksys joins the growing ranks of manufacturers that are adding handy wireless hot-spot detectors to their Wi-Fi adapters. The WUSBF54G scans for and displays the details of available Wi-Fi networks on its built-in LCD screen, then taps into the network of your choice using its integrated 802.11b/g radio. Though the WUSBF54G's core features resemble those of other devices, such as the Trendnet TEW-429UB's, its well-organized documentation, extensive configuration tool, and handy docking cradle are worth its slightly higher price..



Link: CNET