Based on your criteria the only gun that fights every single category is the Glock 30SF. Mind you, I don't care for Glock guns at all. They don't fit my hand and don't point well and the triggers suck. The G30 is really the only true high capacity compact 45 ACP.
There is the Kahr P45 but it is a single stack and not quite as reliable than the Glock.
I don't trust Taurus and thier factory service sucks.
The Sig, M&P, XD,H&K really aren't all that compact. Not compared to the G30 anyway.
Don't know much about the Cougar but I do not like DA/SA guns anyway.
Personally I like the M&P 45 Compact. But the G30 is smaller. I have 2 other M&P guns and they are excellent.