I have a fairly obvious vibration at 2k rpm in all gears.Any ideas?Driveshaft?

 

Might be the transmission mount. Its two metal pieces with a chunk of rubber glued between them. The rubber often gets disconnected from the metal creating a vibration. You usually can't tell if its broken without removing it.

 

Tranny mount
Drive shaft U joints
Tire balancing

That's about all that comes to mind. Good luck...