Re: Most Flexible Amp
The Crate VC series has some nice tones. I think it would get in that direction, but a Fender will be closer still. A Hot Rod will have a lot of power, so you man also want to look at the Blues Jr. The Jr would benefit from a heavier pedal on the front end like a Distortion.
If you need a lot of power, or have room to crank your amp go with a tweed bassman reissue. The swirling sound of those tens is great, and you can pick them up used for significantly less. Also if you put in a tube rectifier you can cut back on the power, and get a bit more compression.
Also regardless of what amp you end up with look for a SD pup booster, it will thicken up your leads, or get you some crunch earlier. I use that, and a Boss SD-1 (Super Overdrive) to get my OD earlier.
Hope that helps!
Luke