[welrope]

Current Sys are as follows

6.1=21057

6.5=21901&21899

6.5.x are as follows
23563= Com 5. Threaded email and office 2010. Microsoft build and production
21649=HTC Build. Office 2010 and threaded email is not native but added. Bold Font. Very Quick
22011=Sony Ericsson's Build. Same as 21648.
23115=Com 3, not sure of the branch. Tmartin as well as others love this branch.
23645=LG Electronics branch. Mostly same as 23113 and 21648 as far as development branch.
24011=Unknown branch. Inline with 2364x.

There are others but these are the main ones. They will be updated quite frequently, so check back often. Fell free to browse my sys files for other older builds you may want.