I did consider the Filco. It seems like a nice board and the NKRO would be welcomed for games, but the bright LEDs are a bit of a turn-off. Plus, I know that I like the Cherry key caps (in feel, durability and sound) whereas the Filco caps are supposedly thinner and more prone to wear.
If the Filco wasn't so costly, I'd be willing to put up with those 'issues', but as it stands it would be an expensive compromise. Don't take this as criticism towards TKC, because your prices are very reasonable (and perhaps the Filco does deserve a higher price tag than a Cherry-made board), but the G80-3000 seems to fit my needs better.
I haven't ruled out the Filco completely though.