Hello,
I will be glad participate in the project and ready to start right now.
Briefly about me. I'm 7+ years experienced tester and lead of small test team with wide experience in functional and usability testing. More information abot me you can find in my profile.
About the estimate. Could you please, provide more detailed description about the system you are developing: what the features will be included, how many pages with which functionality it consists in. In this case I will be able provide you with more detailed estimate. Also it can be great to know what the target group of people are your potential customers. This info will help us understand you expectaions and needs better and make really great job for you.
Thanks in advance,
Sergii Lopka