Interestingly enough for anecdotes, I've had a VPS running from the Dallas datacenter, and haven't had any outages (that I've known about) since I signed up a year ago. I've been more impressed with Linode that I even was with Slicehost.
http://www.linode.com/forums/viewtopic.php?t=4822&sid=1c... http://www.linode.com/forums/viewtopic.php?t=4908&sid=1c...