UCSB is a perfectly respectable university and you will get an excellent education, however, if you are set on transferring, I would check the UC to UC transfer thread to get some tips and more information.
I think you should give UCSB a chance and make the most of the opportunities you have been given before deciding to transfer: my 2 cents…
http://www.campusexplorer.com/college-advice-tips/D6931DBE/How-to-Transfer-From-One-UC-to-Another/