Has tons of presets and song specific patches.
http://line6.com/spideriii/index.html?utm_source=Line6Index&utm_medium=Navigation&utm_campaign=SpiderIII+DropDown
They have released a tube version "Spider Valve" but I'm not sure how much it is.
The spider III should be in your price range, I think the 120watt is under 500. I prefer the 75 watt because it fits nicely in the trunk of my car ;)