i would say engagement ring, but it was almost 4 years ago that i bought that. oh yeah, if i do say engagement ring, my gf will kill me.
search around online. there's places that take those engines and replace most of the internals. the engines in the cheap ones have a tendency to seize pre-maturely. if you get it worked on a bit, it'll handle a LOT of abuse and will also kick out some more power. it'll probably cost you a few hundred, but it's worth it.