* This might just be me, but I'd suggest you improve your home page, perhaps add "Why use Kroud" or "Features" and such. To be honest, no one really cares unless you're some hotshot(don't mean to rad). Instead of that put what people say about Q&A. Here's an example: "63% of communities lose their members because of engagement. — WSJ" and then some button below that says something like: "Rewin those members with kroud"
* You're "selling" your product not yourself - remove the "Hey I'm Stu." Replace it with something regarding WHY JOIN
* Your headline is a bit vague("Questions and answers for your community"). When I first saw the headline I thought, oh this is probably some week open source project. I checked out your product and I think something like "Get your free hosted Q&A community up in minuets" or something.
* Good work on building some sort of comfortability with social proof.
I'm curious, how is this different than already-existing services like Sponge(getsponge.com) or
Oh, and, start charging for it.
Best of luck to you