If it's shared, not one of the Europe based hosts from here.

Every single shared hosting plan I've ever bought (from here at least) has a lot of down time, and I've tried 4 different sites, even with the plans that cost $6-10.
Time Reviewed by Time on . Image host with free ftp? Would like to add it into my screensnapr since screensnapr servers are pieces of shit. Rating: 5