Microsoft (MSFT) finally announces pricing for its Windows RT (ARM-based) Surface tablets. The cheapest version (32GB, no Touch Cover) will cost $499, while the costliest model (64GB, Touch Cover included) goes for $699. The RT models run on an Nvidia (NVDA) Tegra 3 processor. Still no word on prices for the Intel-based Windows 8 Pro models (they’ll likely be higher). Surface goes on sale on Oct. 26.