Wacom Bamboo Stylus iPad pen (really effective and cheap for note taking or drawing)
Software
Reading & PDF Annotation
PDF Expert 5 and its companion Documents (use it as the main document reader/editor; syncs with cloud services and svn; annotating PDF in a sophisticated and elegant way)
LiquidText Annotate & Excerpt PDF documents in a flexible way
Pocket (Read It Later) (to accumulate readings while offline or commuting or…; iPad/iPhone/Mac in sync)
Newsify (the best RSS Reader Client; iPad/iPhone/Mac in sync)
Google Chrome browser (alternative browser to access sites in desktop format; iPad/iPhone/Mac in sync)
Pressreader (read newspapers and magazines using the UniBZ Library subscription)