i jailbreak 1.1.2 installed all the iphone apps on my touch. every thing works good exept the mail .. its refreshing getting my new mails but when its finish the mail close and then nothing...
Ok, the method described in the thread above gives you the ability to install it via Installer.app using only your Touch. It took around 60 seconds for me to have it all up and running. And it was easy as pie.