I am using Thunderbird Portable 2.x (PortableApps format) and was
wondering if the release version of Thunderbird 3 will cause any
issues migrating all of my accounts (have over 10).

Before I update I will of course backup all of my portable files just
in case the update causes things to go bad... but I hope it will be a
smooth update process

I know I should probably post this over at PortableApps, but don't
beat me up too much please