WIX/NAPA's are sure hard to beat. We've used them on a wide variety of gas and diesel powered equipment for quite a few years with good luck.
Their 51365 (NAPA 1365), for instance, fits our J-D's Yanmar engines as well as our Honda motorcycles, so it cuts down on stocking requirements. Getting them from FleetFilter.com keeps the price reasonable, too. Just got 12-51365's, with shipping, the cost was $6.23/ea...
I have heard a few Ford guys complain about startup rattle with Wix vs MC, and my brother swears
the Wix filter on his Firebird caused the engine to make a whistling sound until it warmed up (he went back to AC Delco), but, I still like 'em.