A Heroku gift certificate wouldn't be that exciting, but it would be really useful and you could probably get it highly discounted or free. These MacbookPro sl

A Heroku gift certificate wouldn't be that exciting, but it would be really useful and you could probably get it highly discounted or free. These MacbookPro sleeves (http://www.colcasac.com/original.html http://www.colcasac.com/original.html) are nice, pretty cheap and would definitely be usable for the winners or their friends. If the hackathon benefits charities, you could probably get sponsors to provide cool stuff. Legitimate copies of Photoshop from Adobe, one of those incorporation packages from Intuit, etc.