Gmail iPhone Optimized Version :
They definitely have made a better, sleeker, nicer looking UI optimized for the iPhone and you can now access it on any phone, desktop or laptop you want : http://mail.google.com/mail/x/gdlakb-/gp/
There you go : all the alternate ways to access Gmail whenever you’re unable to load it in your browser. I highly recommend you bookmark these links on your phone/desktop so you can quickly access gmail whenver you run into some internet trouble at the airport next time!
If you have any other alternatives, feel free to leave those methods in the comments below.