I have no idea why this wasn't already listed. I thought it was, but couldn't find it. It should move to "under construction" within weeks.
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45-stories, plus three smaller "lantern decks". It is currently designed to top out at 562'-5" to the top of the highest lantern level, with the spire extending above that for a structural height of 635'-9" -- Construction Fall 2007 and will cost $350 million - which will make it the most expensive privately funded building ever built in downtown Denver.
(Summary provided by Snyderbock)
The following images are courtesy of
denverinfill.com: