Well recently some really good mods came out, SPider trax crawler and all of the vehicles Box5diesel makes are very good, they don't move like yelly. They even have tyres physics, RoR is great for if you like to go offroading/crawling and do some stuff with trucks, the physics only suck when you go at high speeds.
I personally love it because i like offroading, but too bad there is no FFB.