A-ONE  ... sorry, meant to say that SNOW Leopard kills it. Works fine with Leopard ... but seems to stop working completely under Snow Leopard.  
(Version 1.8.8.6)

A-ONE  Great utility this - but it seems that Leopard kills it. And no word on the developers site on that front. Hopefully it will be updated soon ... ?  
(Version 1.8.8.6)

A-ONE  Perfect. Simple, efficient and truly useful. Feels like it should be part of OSX anyway.

Developer also really on the case. Emailed them about a small compatibility issue with Textexpander - and two days later a new release fixes the issue. Now can't fault the software.

Thoroughly recommended.  
(Version 2.8.1)

A-ONE  Import MailTags? ... Genius. I love you! Combination of Mail Act-On, MailTags and Mail Steward .... finally got those mailboxes under control. Great stuff.  
(Version 7.3)

A-ONE  With the old user interface, our company rejected Daylite as too complicated and too fiddly to use. After testing for a week, the new interface has totally renewed our interest.

However, it looks as if the new version will still be lacking an essential element ... iCal sync. Why is it not there? Other programs manage it, and it limits the interoperability of Daylite to only other Daylite users and prevents calendar sync with anything other than Palm devices.

Very impressive new interface. Very disappointing that iCal sync does not appear to be coming.  
(Version 3.0b2)

A-ONE  Without full and proper sync with iCal as well as address book, this is disappointing. There is a Beta for a whole new version on their website - but it looks as if this too will lack iCal sync. Shame, as otherwise looks extremely promising.  
(Version 1.9)