Filed under: WirelessAlthough Alltel is busy courting Verizon's amorous advances, it looks like the carrier is still serious about rolling with the big boys -- it's just announced a nationwide WiFi service powered by Boingo. Subscribers can opt for $20/mo or $4/day plans, and score access at over 25,000 hotspots in airports, hotels, bookstores, coffee shops and restaurants. Alltel wireless customers can also opt for the $70/mo Internet Anywher
