With my work I receive and reply to 100 emails a day some days. How I stay on top of it is checking mail often, replying right away and most importantly I have some kind of electronic device with me so I can keep up. From iPhones, to Blackberry's, MBP's and MBA's and now the iPad on the horizon there's lot of options. It get's tiring typing so much on an iPhone ... bigger laptops are cumbersome to pull out anywhere.... If you where handing 100 emails a day, what device(s) would you use, from a Windows Netbook, iPhone, MBA/MBP, Blackberry etc. Or to say it another way, "what's the ultimate/best device for handling email anywhere".