It wasn't just the popup for me it was the stock photos that turned me off (you have a bunch of suited guys and gals on the about page but scroll down to what looks like comments of all guys names and descriptions.

Linode and prgmr give you pretty much full access unless you are somehow offering something else?

Some tips for your homepage, get rid of that popup it is the bane of many internet users. Maybe show some pictures of your admin if it looks alright, and stay away from stock photos. State where the hell your servers are located.