[felipesabino]

Rails loads ton of stuff you don't need if dealing with a simples REST API, for example... So yes, you could only start with sinatra/padrino and add the things you want, or do like these guys and start with rails and remove everything you do not need.

[paulbjensen]

I think that you've hit the nail on the head, and highlighted 2 differing styles of building web apps within the Ruby community.

There is a great post about this here: http://rubysource.com/rails-or-sinatra-the-best-of-both-worl...