RM038: just AMAZING! I really like the "aerial" aspect of the mechanism with (barely) no baseplate, in the large volume offered by the shape of the case. I wish there could be an "affordable" model with the same overall look ... Maybe no tourbillon, no date, and manual winding...
RM029: not a fan. Maybe due to the baseplate cut-outs. The large date is definitely cool (not having the large disk of the 10 all around).
RM030: I like the added complication of the declutchable rotor: real RM DNA! The watch appears less elegant / more sportive than the RM010 ... in between the RM010 and the RM011.
RM033: looking forward to seeing it "in metal" to make up my mind ... At first glance I was not fan, but after thinking about it, I'll wait until straping it on my wrist to comment further.
RM026: As much as I admire the work of art, precious stones and watches don't mix as far as I am concerned...