iPad:
Side by Side (open 2 docs side by side)
Instapaper (read webpages offline)
iPhone:
Misc - Tapatalk, Shazam, Fring, Netflix, Google Voice, Drudge
Storage - Dropbox/SpiderOak
Travel - NYCMate (MTA maps), Navigon (Best naviagtion app ever!!!), Gasbuddy
Games - Plants vs. Zombies +1 :), Cut...