Nokia's Lumia 710, the understudy to the Lumia 800 Windows Phone flagship, is finally making its way out of the factories and onto store shelves today. It was announced alongside the 800 model at Nokia World in October, however its time to market has been a tiny bit longer. Sales begin in Taiwan today, with India, Singapore, Hong Kong, and Russia following within seven days. The global rollout of this Windows Phone 7.5 handset will then continue over the coming weeks. That will include the United States, where we've recently learned that the Lumia 710 will be launched on T-Mobile's network. Nokia notes that the estimated price, before taxes and subsidies, for the 710 will be around 270, and it'll be available both on and off contract, depending on your local market.