Between the MkII and Racing Speedy, I would go with the Racing Speedy because of the movement, I think its a nice upgrade from the co-axial in the MkII. But that's just me.
I'm biased too. But my friend has the remake of the Mark II and it is stunning in person. Having seen both, you are making the right choice with the Mark II, but reality is you are going to have a few more Omegas in your collection if you continue to hang out here.