WaveTel in Fayetteville, North Carolina, has a wide potential service area for just $20 signup and $50 per month, including equipment rental. They're using 802.11 with FH for sub-2 Mbps throughput.
Skyburst offers wireless in a wide range around South Bend, Indiana. Setup is $400; monthly is $50 for 512 kbps burst rate, and $75 for up to 1 Mbps burst. (I assume because they mention burst there's a limit to sustained bandwidth?)
Storm Internet offers an extensive wireless service area near Ottawa, Ontario, Canada. Residential customers pay Cdn$400 for setup and about Cdn$50 per month for up to 2 Mbps. Business customers are quoted a custom setup rate, and pay between Cdn$125 and Cdn$575 for 512 kbps up to 5 Mbps. They also have a list of rates under their residential service for installing poles and other work.
Storm limits residential customers to 10 gigabytes of included bandwidth per month, and only offers dynamic IPs. This is a good way to distinguish business and personal service.
Storm's site points out one of the unique advantages of wireless: if there's already access pointing at you, you're live the minute they plug the card in. No waiting for telco lines.