Tried this on two computers, using it with the companion WRT300N router, and it glitches badly on both. Speed is an improvement over Wireless-G, but not much; and the stability is much worse. Other wireless traffic or a microwave oven turned on throws it into instability and it has to be reset. Also, about every 30-60 seconds, it grabs the CPU for a couple seconds, causing harsh noise from audio and a second or two total halt of any game being played. In Windows XP it shows 270 Mbps speed, but benchmarked actual throughput is less, little better than Wireless-G. Windows Vista does not recognize the -N protocol, and works only as a very slow -G. Tech support is offshore. Nice, polite people who don't know anything that doesn't pop up in their prompts - and more important, who don't have recourse to someone who can answer the tough questions. In the past I've experienced excellent performance from Linksys products, but it's like a different company now, a company to be avoided.