The waiting is over! Teamwin has a new version of twrp for those who want to update. It's still a work in progress, but lots of new stuffs have been added.
(from the twrp changelog)
2011-10-05 - v1.1.1
fixed fix permissions bug
fixed md5 checking for zip install
2011-10-05 - v1.1.0
brand new nandroid process with more error checking and supports ext3/ext4 types of devices
sdcard partitioning is available for devices with a sdcard (courtesy of koush from CWM source)
can choose multiple zips before flashing and they will flash in the order chosen
files & folders are sorted case insensitive
added option to sort zips by file date instead of file name
can apply themes and change time zones without rebooting for instant gratification
saved settings will now persist through version changes
added myn's warm theme with color codes courtesy of myn
added option to wipe system, data, and cache with rm -rf during a nandroid restore to maintain existing file system settings like block size
added options for automatic md5 checking of zips
twrp spam off by default which makes nandroids up to 10x faster
Nandroids made with previous versions are not compatible
for more info:
TeamWin Projects - TeamWin Recovery Project (twrp)