Most any modern, shootable S x S is okay if you just want to shoot a round of skeet every now and then with 3/4 or 7/8 oz. loads, I guess. But, for a full round of 100 birds on a sporting course, the weight of the BSS gives it the edge, IMO. More weight is exactly what I want in a clays gun. The 30" barrels smooth it out, too. I really struggle with my lightweight S x Ss when I shoot the sub gauge S x S events. New shooters are behind most of the birds they miss, if they're not offline. Most experienced shooters miss ahead more than they do behind. Weight and barrel length help that.
I'm shooting a S x S event this Saturday. The BSS will get the nod for the 12 ga. event, the Ithaca SKB for the 20 ga. event, and the Dickinson .410 for the lil' gun event. I am sure I will struggle with not getting ahead of everything on the last two.
SRH