At this stage, it just seems weird to start a new web project and not use at least some framework.
As to the difference in number of components - the Bootstrap ecosystem is massive -checkout:
http://www.bootstraphero.com/the-big-badass-list-of-twitter-...
I've been slowly collecting links for a similar Foundation list and it hasn't been going so well.
What are your thoughts on Bootstrap vs Gumby Framework (http://gumbyframework.com/)?