There is not much known about the actual device but rumor has it the Android-based phone will be sold in the US through T-Mobile and Sprint Nextel, and would be similar to their popular Instinct handset.
Come on samsung, as essentially this is just going to be the Samsung Omnia windows mobile phone in a new case whats talking so long... im sure someone on xda developers had a copy o android running on it months ago, all be it over the to of the orginal os.
Roumour has it nokia, lg, Konda Agora and of course htc alone have at least 2 other android phones planned, most intrestingly a touch pro (slide out keyboard) version of the touch hd which is roumoured to run android.
http://www.techdigest.tv/2008/12/more_androids_u.html
http://androidcommunity.com/forums/f42/h...-keyboard-3192/
Update **
HTC have revealed the G2 phone running cupcake see:
http://news.bbc.co.uk/1/hi/technology/7894516.stm
also Huwaei Technologies have said they are going to release 2 possibly 3 Android based phones.
http://www.afterdawn.com/news/archive/17003.cfm