While I am no expert on this stuff either. I would think your best bet right now would be to sit down with your computer and do some serious research. Like you said, you're a student and can't afford to screw this up so your best investment right now would be to learn as much as you can about what you're about to do.
The most prominent forums that you'll find this information on are:
In fact, on rs25.com homepage is an engine for sale.
Good luck and keep us posted!