Bersa Thunder Pro UC in .45 ACP,,,
I own the 9mm version and like it quite a bit.
10 + 1 in .45 ACP
DA/SA with de-cocker
Completely ambidextrous controls.
This pistol has been called the Poor Man's CZ-RAMI,,,
But to tell the truth I like it more than my friend's new RAMI.
The grip is somewhat fat but it uses double-stack magazines,,,
The fatness is mediated by the wonderfully ergonomic grips.
Just another good gun to consider,,,
If you can find a Ruger P90 it would be worth checking into. Price is within your budget and they are reliable, accurate, heavy enough to dampen the recoil without being overly heavy.
Just my $.02 worth.