That's cool - I couldn't make my mind up between the LMII and shuttle 6.0 initially, but there was nowhere to try the genz out near me and I knew I already liked the LMII.
I've played through a few of the markbass combos and really haven't been that impressed either, especially when compared to a separate head/cab from them. In particular, the cmd102p, which I've used numerous times now, isn't even in the same league as my LMII + 102HF cab setup.
I'd still like to try a shuttle out of curiosity at some point ;D