I know! There are so many. It keeps me busy collecting them all. I've composed lists of all the chapters for each set and am just waiting for my last volume of ACTW to arrive so I can complete that one. These are the ones I have documented so far:
Akita Shonen Champion (25 volumes)
Kodansha 1st edition (22 volumes)
Kodansha (DX) 2nd edition (22 volumes)
Akita Deluxe Hardcover (17 volumes + extra color volume)
Akita Bunko Soft Cover (17 volumes)
Akita ATC (26 volumes)
Akita ATCW (16 volumes)
Akita Shinsouban (17 volumes)
GP Museum Soft E-Comics (4 volumes, everything that's in Akita Shinsouban and in the same order)
Mini Kodansha (18 volumes)
There's a brand new ACTW set that just started up this last month. They are twice as big as the others, closer to the size of the Midnight ones.
I chose to use the volumes numbers from Vertical so they'd be easier to look up. I also updates the wikipedia page a while back so it would be easy to keep up with the chapters (but there's also a bigger and more extensive page for that on Tezuka in English):
http://en.wikipedia.org/wiki/List_of_Bl ... k_chapters