From a financial standpoint, Harvey Mudd may be a good choice; its graduates tend to do pretty well (I am in no way affiliated w/ Harvey Mudd, though I was accepted there): http://www.payscale.com/best-colleges/top-us-colleges-graduate-salary-statistics.asp

I can't really speak to the others.

Regarding biology vs. medicine, how well does medicine pay in Hungary? How transferable is a Hungarian medical degree?