Sorry, I had to wait for the summary to be sent before replying
The standard feature allows that already. Here's an example of what is sent for the "Daily updates by email" option:
You are subscribed to the forum Community, there have been 0 new thread(s) and 4 updated thread(s). http://talk.maemo.org/forumdisplay.php?f=16 The following threads are new: The following threads have been updated: ************ Nokia N900 Owners from Philippines http://talk.maemo.org/showthread.php?t=40905 In forum: Community Started by: gviterbo Last post: 04-07-2012 11:16 AM ************ Community projects having problems with infrastucture http://talk.maemo.org/showthread.php?t=83441 In forum: Community Started by: timoph Last post: 04-08-2012 02:53 AM ************ Ask the Council! http://talk.maemo.org/showthread.php?t=41451 In forum: Community Started by: Texrat Last post: 04-08-2012 04:05 AM ************ Council election http://talk.maemo.org/showthread.php?t=83398 In forum: Community Started by: Estel Last post: 04-08-2012 04:54 AM All the best, maemo.org - Talk