I switched from Launcher Pro to Go Launcher EX last night.
For my particular Droid Charge, Go Launcher EX is WAY freakin' faster when scrolling through preference menus. LP ran seamlessly on all other tasks except going into the menu to add a widget to my homescreen and loading the 'hide apps' menu... but those two things were driving me NUTS. I've only had Go Launcher for a few hours now, but I'm impressed with it thus far. In all honesty, it looks and functions nearly identically to LP, based on the little bit of toying I've done with it so far.