What's the general consensus on a Cat XLS build experience? I seen mentions here and there of poor instruction order, missing parts, poorly made/fitting parts etc. Basically, is this buggy a giant aggravating pain the rear that should be avoided unless you're deeply in love with the Cat? I like experiencing something new (vintage-style, but new to me, that is) from time to time. However, I work with sometime infuriating, ancient (like 100 years old some days), poorly conceived technology at my d