You should download Buttons-T here:
http://palmgear.com/software/showsoftware....EC&prodID=40595
It's the same as buttons-2 that is on your 270.
When Handspring made available the GPRS upgrade they included this app in the upgrade. :D
You might also take a look at treobutton. This app will give you a 3rd set of apps to configure to the hard keys:
http://palmgear.com/software/showsoftware....EC&prodID=40243