I haven't tried this developer but intend to. The url was posted on the UK chapter of the forum but it might have been missed by a lot of photographers:
(Apologies if it's widely known-I'm new to the forum)
This two-bath developer sounds really interesting and will certainly be a more convenient option for me than mixing my own again from dry chemicals.
Amongst its claims are:
* speed increase of 1/2 to 1 stop
* automatic highlight restraint
* enhanced shadow detail
Can't get much better than that!