Vario is the best bang for the buck, not overly detailed, but you can add that yourself if you wish to have it.
Another prominent company that has a fine hoe is Premacon
http://www.premacon.com/
And soon Fumotec will have a 490 Komatsu on the market (he's the designer of the Vario model), which is only 20% smaller in stature than the Vario.