Sources have said that Microsoft will announce Windows Mobile 6.6 in February, possible around the time of the Mobile World Congress. This is probably the WM6.5.3 builds that we’ve seen floating around, which are supposed to be focused towards the use of capacitive touchscreens, such as the HD2.
In other news, the sources have also said that WM7 is delayed until 2011 instead of the end of 2010 like was originally rumored.
Source: DigiTimes