Nicely done (and useful!)
This frequently-updated app makes it a snap to find information on PubMed when youre not at your computer. E-mailing tagged references to yourself or others to be imported into a reference management application is a nice addition, too. People who use PubMed seriously should check out this apps big brother, PubMed On Tap, which can return an unlimited number of hits.
Bouncing Boy about
PubMed On Tap Lite