BT4 has sslstrip v0.2 installed. I like running live CD's instead of installing so updating this tool would be great. Thanks 
hxxp://www.thoughtcrime.org/software/sslstrip/
Code:
Changes in 0.7 (12/18/09)
* Fixed a minor bug that could prevent favicon spoofing from working correctly (thanks Simon Nicolussi).
Changes in 0.6 (9/22/09)
* Fixed a silly bug in specifing the listen port with -l
Changes in 0.5 (9/11/09)
* Switched to a fully asynchronous model, which should result in tremendous performance improvements.
* Filter response headers.
* Started embedding favicon links in the head section of server responses, to increase the chance that a browser will make a request for a secure favicon.
Changes in 0.4 (7/24/09)
* Fixed a bug that would result in truncated pages.
* Fixed a bug in relative link matching (thanks Naumaan Mohammed Nayyar)
* Included some optimzations that should speed things up again.
Changes in 0.3 (7/15/09)
* Fixed the regular expression compilation to work with Python 2.6.2 (thanks Simon Vans-Colina)
* Included some optimizations that should speed things up a little.