Is there any open source .NET project (or port) similar to the Flying Saucer project which renders HTML to PDF using iText?
I always recommend wkHTMLtoPDF for web->PDF conversions. It's web kit based though I'm not sure what PDF library it's sitting on.
At any rate, you'll be hard pressed to find something that will render your HTML more accurately (it'll even run script, set innerHtml and so forth).