I havent flown all in 40%, but I have flown all in 28% and 35%...

Edge is a smoother ship, longer fuse acts similar to a pattern ship doing awesome smooth flight and 3D characteristics. Downside? Bit harder to get it to tumble.

Cap232 is shorter coupled and while some still do great smooth aerobatics, they are better suited for tumbling than edges or extras.

Extra is the middlegrounds ship, hence its popularity. Does good 3D, flys smooth but can tumble on demand. Very popular because of this with the TOC and IMAC crowd.

I believe the perfect ship may end up being the Yak, but I'll make that judgement after I fly one.