Building and optimising a voting app with CI

[eluser]alexaaaaaaaaaa[/eluser]
Hey i've started a similar project if you want i can help you
Here's the short history
polls
private (only users that are invited)
public all users can vote
state only users from a particular state can vote

poll image (user upload a picture)
poll video (user upload a video)
poll text simple

multiple choices

show votes
chart votes
facebook twitter login
account settings
logout
edit profile (in one word a3m auth)
album photos
album videos
events create
and much more...basiclly it's a social network build around the poll voting sistem very complex.