"We're focusing all our efforts on the 360 version and will be making comments in regards to the PC at a later in time," Remedy rep Markus wrote on the studio's boards. nope
Publisher Microsoft revealed a "spring 2010" release for the Xbox 360 edition during E3, but made no mention of the PC version at that time. Alan Wake was originally announced for PC and console in 2005, though an "official" release window was not provided until recently. We're checking in with Microsoft for more details, and will update accordingly.