AX 2012 Online trial version is available ?!!

Hi,

    I'm very much new to AX community I was working as CRM consultant,  Just wondering do we have the option of deploying AX online. Like we have it in CRM 2011 online version. I see only On-Premise and hosted version of AX.  If there is an online version of AX can some one please link me the 30 days trial version of it, so that i can get an overview of the AX 2012.

Thanks.