What do these numbers mean droid 1.5, 1.6, 2.0 now 2.1
Are the bigger numbers better than the lower i.e. eris 1.5 Droid 2.0
What are differences in software i.e. HTC has sense ui, droid doesn't
What are consideration in choosing i.e. droid vs eris or others like HTC Hero 1.6