
Ecoute is a very minimal media player for Mac. It bases its library on your iTunes library, can play back anything in iTunes (including videos), and includes some really awesome visual elements. I really like its Grooveshark style media browser:

Check it out at http://ecouteapp.com/. Ecoute is free to download and try out, and $10 to register.

"Gobble!" said the turkey. "As well as I am able, I'll decorate his Thanksgiving table."
C'mon, turkey. You've got to set some boundaries.
from The Jolly Barnyard, a Little Golden Book
I've spent the past day on and off while here in Nashville at the Ruby Hoedown getting Snow Leopard installed and working on my computer, and it was big enough a pain that I figured I should share what I did.
First, I installed Xcode from your Snow Leopard disk. It's necessary to build other applications.
Ruby Enterprise Edition
After I got Xcode installed, I installed Ruby Enterprise Edition, because Snow Leopard ships with Ruby 1.8.7, and we use 1.8.6 at Gnoso. Installing Ruby Enterprise Edition is a piece of cake. I just followed the directions on their download page, with the addition of adding the addition of the --no-tmalloc flag on the installer:
tar xzvf ruby-enterprise-X.X.X.tar.gz ./ruby-enterprise-X.X.X/installer --no-tmalloc
export PATH=/opt/ruby-enterprise-1.8.6-20090610/bin:$PATH
sudo apachectl restart
Update: Chris Moore commented below that you can in fact get the Passenger Pref pane working. You simply need to install RubyCocoa 0.13.2. You can find more information about that whole process here: http://josefernandez.tumblr.com/post/174433056/install-rubycocoa-on-snow-leopard.
When trying to build Ruby Enterprise Edition on Snow Leopard, using the --no-tcmalloc option is your friend. (via http://bit.ly/2Uzjzz)
I love composing email in Mail.app, but I love processing email in GMail because of its terrific one click archiving of messages. So tonight I set out to see if there is a way to get Mail.app to archive messages similar to how GMail does. After looking at a few code samples using AppleScript with Mail.app (like this one), I settled on using AppleScript and came up with the following bit of code:
tell application "Mail" set selectedMails to the selection if the length of selectedMails is greater than 0 then repeat with theMessage in selectedMails move theMessage to mailbox "All Mail" in the account of the mailbox of theMessage end repeat end if end tell
You'll want QuickSilver to execute your script. You can set the hotkey for your trigger by clicking on the info button in the triggers window and choosing settings. I chose the keyboard com bination Shift-Cmd-A, but of course you can make it whatever you want it to be. You can also go to the scope tab and type "Mail.app" in to have it only pay attention to the keyboard combination you chose when you are in Mail.app.

Update: I don't actually typically use QuickSilver, so I came up with another technique that I like a little more. Save the AppleScript from AppleScript Editor as an application (just save it and choose the Application file format from the dropdown), and then in a few seconds Spotlight will index it and you can run it pretty quickly with Cmd-Space or whatever your keyboard combo for Spotlight is.