There is rendering, althrough not a very good one, of 5 allen center. At the current time the floor count is 50.
"This hazy image of a new office tower planned for the northwest corner of Downtown, unveiled from the depths of the interwebs by HAIF user nate, is apparently meant to be the new Five Allen Center. It’s listed as a 1.2-million-sq.-ft. “near-term future development” in a Brookfield Properties document from this month."
Taken from
Swaplot. 6-25-08