My Personal Experience
I bought my first witness 10mm conversion back in 04. I could not find any local. I bought it to use with a friends 45ACP Frame until I could find a good price on a gun for myself. From the first time I used it I loved it. DA for the first Shot and SA for everything after if you like. Accurate like guns that cost twice as much. I have been shooting roughly since I was 9 and I just turned 43. It is and always will be a family activity and I have always enjoyed it.
Back to the subject at hand. Since my first 10 conversion I bought a 9mm in a compact frame in 05 after they went to one size in the states. My new 9mm shot just as accurately as my 10 and my friends 45. Soon after I bought my 10mm Elite Witness Hunter which is a custom shop gun. It is a dream to shoot and has never given any issues. I have only had a problem with one Mec Gar magazine I bought for a backup. It needed a stronger spring. Other than that I changed the firing pin spring and recoil spring in another due to shooting 10MM D and D rated ammo(10mm full power loads). The stock 10mm Witness is setup for the weak stuff you would get from your local gunshop not the full power loads. I pulled off a few trigger jobs and few other mods that have only bolstered my interest in this brand. EAA Witness pistols have become my new treasure at gun shows. Most people do not know what they are missing. I for one, will be happy to take advantage of that. Over the last several years I have owned 1 Elite Hunter(new), 1 Wonder(New), 1 Poly(New) compact, 3 fullsize(New) 45, 40, and 9. I am planing on lurching the local big gun show this weekend. I am hoping to find a new one or maybe two.
Before they imported a small frame 40 S&W and smaller in general and 45ACP and up you had to get a large frame. I am being very general here. I know you could get conversion in 22LR for either. They still make the small frame for all countries but the U.S. does not import them anymore. I understand this thread is most likely dead. But, I just found it and maybe someone will need this information in the future.
If you have any questions I am pretty sure google and wiki can answer it. ;D
P.S. I have had a few dealings with customer service. I have had bad experiences all three times. They make promises to send parts or to sell parts to you and never send them. When you have called back several times to check and they say the parts are in the system and they are on their way. it has been 5 years and they have not arrived. I believe I have the right to say the service is lacking. I tell people to go to henningshootsguns website for parts and or advice Heuning seems to be a nice fella. He has helped me find a few tweaks that would have taken me much longer stumbling around in the dark. Savvysurvivor seems like it would be a good site but seems to be unattended.
my 2 cents