Filed under: WirelessComcast, Time Warner, and Bright House all threw down in the new Sprint-led Clearwire venture yesterday, but it looks like Cablevision wants in on the fun as well: the company announced today that it's spending $350M on a new wireless broadband network in New York. Unlike the Clearwire partnership, Cablevision is apparently going to use straight-up WiFi for the service, but it's not revealing any details at the moment, saying only that it'll run at 1.5Mbps and eventually handle voice as well. The plan is to get up and running in NYC