Nokia (NOK) has seen limited interest in its early Windows Phones, but not nearly enough to prevent three consecutive quarterly losses that topped $1 billion each. 2012 is a year of transition for Microsoft’s (MSFT) software platforms, however, and Microsoft previewed its next-generation Windows Phone 8 platform back in June. Nokia is Microsoft’s premier Windows Phone partner, and now we finally get to see what the Finnish vendor has in store for its new line of Lumia smartphones. Recent leaks suggest the Lumia 820 and Lumia 920 will be among the handsets Nokia unveils today, but who knows what else might be in store? Our live coverage of Nokia’s Windows Phone 8 press conference, which is scheduled to begin at around 10:00 a.m. Eastern, follows below.