Shock horror - one of those trendy iphone sites made to work for S60 - "really easy" apparently.
"Mini-ITX motherboard incorporating its new Atom 230 CPU and selling for around $80"
"The Beagle Board is a low-cost, fan-less single-board computer based on Texas Instruments' OMAP35x device family" $149, 3"x3"
Google talks about how its cell-id location works - by gathering data from users who have GPS.