For my side project Owely.com I've used Slicehost VDS solution, it worked fine, I've liked minimalistic Control Panel and really great tutorials how to setup environment from scratch. I really think they have best knowledge base online. Slicehost wasn't cheapest solution, but there was no complains from my side, they worked like clock, I never considered moving to other hosting provider, so when I've heard that they was acquired by Rackspace already then had this bad feeling. Then thought "ok, may be I'm too worried, may be it's for better" and tried to migrate in new env. First day There was my mistake trying to use CentOS, I've researched and they say it's more stable and secured, but.... RedHad package manager don't know anything about ImageMagick higher than 6.1 or 6.2 don't remember, for new gems I was required to use >6.3, so I've spend few hours trying to set it up manually, then compile from sources then voodoo mag...
One idea at the time