My LO is six months and he is on alimentum right now but since his tummy is so much better i am gonna switch him to another formula in about a month. what formula did you use after alimentum and is he doing good on it. i am undecided on which formula to try after alimentum and i am really hoping his tummy agrees.  
Re: Alimentum past users or on it now
We never went off Alimentum, just went to milk at 13 months with DD.
DS is still on alimentum with no plans to move off it.