I get that many have history with TB guns and there's definitely companies that I don't deal with anymore due to past poor CS or other issues. But I also think that looking at the comments on the various currently available clones, the Omegas seem to be very much on par with the MKEs - licensed manufacture versus probably a little more individual attention to detail and function. As far as roller locks go I have two PTRs, two MKEs, and one Omega (plus the Gideon Shadow), with one Omega OM10 coming in tomorrow or the next day and the PTR/C93 coming in soon as well - I'd buy from any of those companies again even though one gun from each manufacturer has had minor issues. All of them offered responsive support to get the problems ironed out.
a classic model, I'd certainly pick one of those up, and definitely a K variant too. PTR has some great and talented people working for them!