I just finished installing B7 and I'm playing awith the software, one thing that made Rob to stand out from the crowd was the Clear, No Junk roms, "Stock" roms of WM6 superfast and to the point. Just as you walk away from the cell store with your new shiny device.
Unfortunately the Roms are getting more tweaked and "stuffed" with different software now, I understand that there is so much space wasted in the Stock Roms, but it will be possible to get a B7 build "just" Clean like the first ones Rob made?, from B2 to B4 the battery was great, 1 1/2 day of heavy use without charging, for me that is better that whatever software you can add to the Roms.
Please Rob, made a B7.1 clean for us to download
)