What's the general consensus?
The Lone Star 2x12 and the Road King 2x12 are about the same price. I have a 4x12 with v30s in it already, and I'm happy with them. I can't say I've ever really tried C90s.
mattsmusic.com: Mesa Boogie 2x12 Lone Star® Guitar Cabinet
mattsmusic.com: Mesa Boogie 2x12 Road King™ Horizontal Cabinet
Do you wanna buy a lonestar 212? I'd consider selling mine