I personally owned an SB13-Ultra - and at this very moment I'm listening to an SB16-Ultra that's here for review - so perhaps I can answer your question. 
Assuming you have a traditional ceiling height of 8 feet the room is about 2500 ft^3, which means a pair of SB13's would have no problem filling the space with deep bass. But reading deeper into your post suggests to me they may not totally satisfy your goal. When names like Anthem, B&W, Focal and MK Sound are part of the discussion it usually means the person is looking for more than the usual fare. If my assumption is correct then the 16 series is probably going to be more suited to task, especially given your statement "I really want the gut wrenching or heart thumping bass feel". If you have the ability to accommodate the PB16 I'd look long and hard at that one. It's huge, but if you want to feel assaulted by a movie soundtrack that will certain do the trick. The SB16 is definitely no slouch, so a pair of those would be a worthy alternative if the PB16 proved too large.
Assuming you have a traditional ceiling height of 8 feet the room is about 2500 ft^3, which means a pair of SB13's would have no problem filling the space with deep bass. But reading deeper into your post suggests to me they may not totally satisfy your goal. When names like Anthem, B&W, Focal and MK Sound are part of the discussion it usually means the person is looking for more than the usual fare. If my assumption is correct then the 16 series is probably going to be more suited to task, especially given your statement "I really want the gut wrenching or heart thumping bass feel". If you have the ability to accommodate the PB16 I'd look long and hard at that one. It's huge, but if you want to feel assaulted by a movie soundtrack that will certain do the trick. The SB16 is definitely no slouch, so a pair of those would be a worthy alternative if the PB16 proved too large.