I had a Rubies converted that I liked, but it was REALLY hard to reshape and it was heavy, but it actually looked decent.
The second and only other one I had was a KS and I loved it for how light it was and with some work got it looking super nice.
The only complaint I had with it, being it was the earliest model offered, it wouldn't open right, so it became a sealed shut face, but my head still fit in just fine. Functionally though I wish it worked like the movie ones just because I am weird like that.