Well boys I understand now why it is worth it to carry a 60lb tube amp around, and it's called tone!
To this point my "tubey" amp has been a LMII with a DHA VT1-EQ Bass in the effects loop. This combo sounds darn good and can do modern to vintage, clean tube to very dirty very convincingly.
The Buster in comparison is just more compressed and punchy it just sounds way more full. The buster does an awesome vintage motown/soul vibe which is what I was after, but as noted before it does not excel in grind by it self.
Now when I put the DHA into the effects loop I can get the grind tone I want for sure. The cool thing is that it is almost like a preset as I don't have to turn knobs and in a click i get the grind I want. The fact that it is a tube pedal keeps that touch sensitive thing in tact which is missing form non-tube dirt like a VT. I would be interested in trying a EBS valve drive in the loop too as I remember that being the best tube dirt pedal I have ever gotten to play. Why I sold it I'll never know, stupidity I guess.
Anyway I am very happy.
