I've seen many happy shooters that owned a 390.
I'm told the Beretta 400 is the improved, modernized version of the 390 and 391 line.
Picked one up the Excel sporting model a few weeks back and a joy to shoot (without the Beretta recoil reducer).
After years of shooting 1100's I immediately saw that Remington missed the boat in regard to modernization.
Easy to breakdown and cleaning is simple. No Breakfree needed to clean this gun and keep it up and running after every couple 100 targets.
The T&S shell catcher for the model is much better then the one they sell for the 1100.