hi, i have a semi auto,and i really enjoy using it,i prefer it to my other shotguns,mine is a mossberg 9200 12g model,multi choke,and a 28inch barrel, just right for the hide/woodlands,and its really light in weight so its easy to walk around with,mine only likes heavier cartridges which it cycles well,but doesnt like the lighter loads,but still the recoil is low,
as to different makes,there are quite afew, browning,beretta,winchester,hatsan,mossberg,remington,but i think alot of people would say the bennelli is the rolls royce of the semi autos,
if i were you i would go and try a few and s