Slicehost makes everything as painless as could be asked for. I had a DNS problem on a new slice yesterday, their folks noticed it within 3 minutes. My unders

Slicehost makes everything as painless as could be asked for. I had a DNS problem on a new slice yesterday, their folks noticed it within 3 minutes. My understanding is that Xen is pretty tricky admin, but you can do your own ubuntu or CentOS VM under vmware ,give it x Meg RAM, throw ab or jmeter or trample at your app, see what happens.