Well..., To say the truth i just kept email field as most of the coming soon pages has that.., Otherwise i don't provide a web service (yet) and i don't expect anybody to leave their email..
I just wanted to know the initial reaction.., I will definitely change the background images and add responsive css but the layout will remain same.
About the SaaS part, well i just want the users to know which and all services i provide, and whether they want to be notified when we are done re-designing, they can leave their email address if they want to. Nothing else.