Ask TUAW: What's your favorite Smart Playlist?

While browsing Doug's A leScripts for iTunes and Smart Playlists.com last night for some ideas on how to make iTunes do my bidding, it dawned on me that these handy tools of automated music wrangling might make for a great Ask TUAW discu ion. After all: who doe 't love music, and who doe 't love sharing their ti for better working (or music listening) bli ?

So what say you, TUAW readers? Do you have a smart playlist and a killer rating system for the perfect party soundtrack? Or perha a smart playlist that hel you keep track of which music you need to burn and back up? Feel free to lay it on us and share your smart playlist ninja skills with the rest of the cla .