But mostly I'm just excited about the coming of technologies like cloudkick which will help push cloud providers (i.e. EC2, VPS'es) into being a commodity.
yes. this is the way of the future... (I mean, APIs that make it easy to move from one provider to another.) without that, well, the 'cloud' will quickly become uncompetitive with dedicated servers.
Lock-in is bad for customers; long-term, lock-in can kill industries.