Most 1/8 brands have parts that are interchangeable between the SCT, MT, Truggy and Buggy, provided you stay within the same brand. The best kit money can buy right now is TEKNO, they are one of, if not the most durable brand and they offer a 50% lifetime warranty for any broken parts you mail into them, no questions asked making them the least expensive brand to maintain by a long shot.
If you're not into racing and just want to get the ultimate basher, then look no further than the MT410: