Those "voracious" gadget news guys at Gizmodo, have pulled together a very good illustrated guide to smartphone OSes. The smartphone OSes covered are 5 of today most popular mobile platform available in the market they are: Android, BlackBerry OS, iPhone OS X, Windows Mobile, Palm Garnet & Symbian. Giz has explain them all with pros & cons for each platforms complete with their screenshots, no nerdy nor too many techie words used in the guide; so it's pretty much a joy to read even for smartphone newbies.
[blogged with my Treo 750v]