I just bought a tc electronic BG250 and I like it a lot. Lightweight but loud with some very nice features. Another possibility would be a GK MB115. Well built amps with great reps.
They should both be in your price range and you really couldn't go wrong with either one.
CV Jazz Bass/Wilde J45s, Matt Freeman PBass/Wilde P46, GK MB112 combo, tc electronic BG250 Combo.