by what criteria are you measuring 'best'
what applciation are you planning - ie what do you want the db store
how many need access to the data concurrently, or form different machines
what is your experience
what is the lifetime of the project, bear inmind that it is often the maintenance of the project that swallows up the cash expecailly if you have used an obscure language or db which either falls from grace / fashion or is no longer supported.
how are you planning to capture / present the data
there are many other candidates (including Access / JET; MySQL, SQL Lite to name just a few).
I'd rather be riding on the Tiger 800 or the Norton