Come October 21, European smartphone buyers will be faced with the enviable choice of having to pick between two 4.3-inch handsets from HTC bearing the latest and greatest OS from their respective camps. The HD7 will be one of the flag-bearing Windows Phone 7 devices, whereas the Desire HD
-- which is already sneaking out into retail in some small quantities
-- offers the finest Froyo dessert Google has yet cooked up, replete
with some extra sprinkles of Sense-ible enhancements. We'll have full reviews of both in the coming days.