Shorts, as you've said, aren't just about wicking away moisture, it's also about fit. As such, if you're really happy with the fit and have explored other shorts, then maybe you should wear underwear I know, Cardinal Rule #1!

Do a search for a recent (within the last week) thread about shorts, cuz different underwear was recommended in that thread. I can say that I've been very happy with Under Armor shorts, but I've never worn them except for the occassional jog or stairclimber machine, so I don't know how they'll do under lycra.