Originally Posted by Stephen

you need to A/B test this on your own site with your own traffic

ClickDensity makes it easy, automating code block swapping, so that half your traffic sees one text / link, the other half sees another. It'll tell you which one folks prefer and by how much. Use the winner as your new "A" pitch, then try a different "B" -- test, repeat, test, repeat -- it's a continual process that can produce dramatic gains in your results.

You can use Google Analytics as well.