I think you should get rid of the shadows. They make it difficult to read, and it doesn't look very professional, crisp or clean.
The white on brown isn't super easy to read. Maybe go for more contrast in that section on the bottom.
Why is the socialize at the bottom so HUGE?? What is that? Why is it there? Why is it detracting from the opportunity to say more important stuff about splinch?
Your page content should have a set width. You're resizing your 'splinch provides' text which is making it too long to read.
Give yourself a limit of 980px or something like that, and squeeze all your content into that box. Take a look at the homepage for http://basecamp.hq - you can get some ideas for layout from sites like this.
Makes it very difficult to read.