Released beta 7 after a rather frantic 36 hours in which I fixed over 40 bugs (a personal best :-) ) In addition over a dozen bug fixes by user_none, several recipe updates/new recipes by darkom and a couple of MOBI indexing bugs squashed by gregory riker.
The two major remaining bugs that I know of are the broken collections when transferring to the 505/700 and tuning of the LRF output.
Still all these bug fixes probably exposed new bugs, so test away
Now off to relax with this month's Atlantic