Alarm Tunes is /the easiest/ alarm app for
Open it, type in the alarm time, choose the playlist from iTunes that you want to be played and you're set!
You can also make it so that the system and iTunes volume are set to max. when the alarm fires to make sure you really wake up!
- iTunes integration;
- Set volume to 100%;
- Easy to use;
- Very light on resources usage.
NOTE: Make sure to NOT let your computer go to sleep, else the alarm won't fire.