Obviously your driving ability dictates how durable anything is. 4wd cars don't just fall apart sitting there usually.
Speed is what gets you in trouble. Most people don't put a stock motor in a 4wd. Draw your own conclusions from here.
The Kyosho Lazer ZX-5 is the bang for the buck in my opinion. It had some weaknesses early on but the aftermarket support has caught up finally. Comes with one-ways, etc that must be purchased separately with most other cars.
Pro: Good value for the money. One-ways included, plastic parts are VERY cheap.
Con: Upgrading to aluminum/graphite parts (if you go that route) can add up. Parts may not be available at your local hobby store (which is always a huge thing for me), not much factory support America-side except what you can glean off this great forum.