Google: EV-DO in NS
My house in the forest gets its high speed Internet access via a cell-phone network. The "$75 Unlimited" plan is actually $93, but at least the 'unlimited' appears to be unlimited. One month we used 19GB, this month almost 13GB. We have no qualms about surfing endlessly.
Since the EV-DO modem gadget is USB only (no screen, no buttons), they can't really complain that I'm using it with external devices. It's only purpose is to plug into external devices.
Also, I'm using a special CTR-350 travel router that makes the house into a WiFi hotspot. We've sometimes got two PCs, a Wii and a PSP all going at once. The entire EV-DO + WiFi kit could fit under a hat (but you'd need some AA cells to power the kit).
I'm not connected to the industry, just a satisfied customer. It's almost as if the modern age has actually arrived (for those of us outside the range of wired high speed services).
For more info, Google: EV-DO in NS, or WiFi Limo (two of my blogs).