Back on June 27th, Fundtech and S1 announced that they were going to join forces. Then ACI stepped in and upped the ante. S1's board said that pursuing talks with ACI was "not in the best financial or strategic interests of S1 and its stockholders." Now ACI is upping the ante again. What deal do you think makes the most sense overall? Please cast your vote below (it's anonymous). Poll closes end of day tomorrow (Friday).
