Who does NY Times crossword?

[jsteinhauer]

Do you do it every day?

I've been doing the Sunday, since I've been a kid (using references, of course) when it was syndicated in the Detroit News or Free Press. I've been subscribing to the online version for years now. I only do Fridays and Saturdays and Sundays, because the rest are usually a waste of time, and Sundays are usually only interesting until you figure out the theme.

Is there a more challenging tradtional American style crossword out there on a regular basis other than NYT? They're great on the laptop at breakfast time.