I found the reflection of the earth a little disturbing because its blurred out. Instead use a fade to white and it looks better. Background of About us is attacking my eyes and the font coulour washes into the bg. You have absolutely no visibility on Google. Work on that with powerfull networks such as facebook and twitter and so on first. Not enough content to please your audience, absolutely no meta description and tags there no doctype declaration, you need to do a redirect because your content exists two times. (with and without www) and this : 18.423.030 is your worldwide Alexa rank. Do some good work and chage the graphics, Meta tags and descriptions and post some good links on high ranking plattforms. (Never Spam!)
Besides those points its a good start. Keep up doing it. The idea is great - watch the big ones closely and learn from them.
All the best!
Edit:
I don't... understand. First, this is what the Review My Site area is for.
Also, I can't read the About Us very well at all, and apparently you have to be registered to really do anything. (Bad idea since you're on free hosting. Could be suspended as 'Unable to Review')
And what does this mean on the Sign Up page:
He is right. The registered thing is another flaw. You need to give something to the people or else how they going to trust you and how will they give you something???