I've been running <a href="http://wasitup.com" rel="nofollow">http://wasitup.com</a> on Linode the last months and I've been pleased with their stablity except for a 9 minute network outage earlier today (to their credit they were able to resolve it quickly while communicating the status to us end users). For my opinion on the performance characteristics  you'd have to read my article on the matter: <a href="http://journal.uggedal.com/vps-performance-comparison" rel="nofollow">http://journal.uggedal.com/vps-performance-comparison</a>