No idea, but I just finished modding my Poker w/ Browns to an Ergo clear (messed up the LED's too, I think my soldering iron tip was starting to crap out on me). I'm not so sure how I like the Ergo clears, honestly. They don't seem that much of an improvement over browns. I can barely feel the tactile bump, except for when the key is on it's way back up.
Who knows, though. I might warm up to them. There is something kinda crisp about 'em. Now I just gotta fix the damn LEDs

PS: I guess my contribution to the thread would be that I'm interested in the same information as the OP
