patio11 has a lot of good stuff on this topic: http://www.kalzumeus.com/greatest-hits/ http://www.kalzumeus.com/greatest-hits/ (scroll down to 'Conversion Opt

patio11 has a lot of good stuff on this topic: http://www.kalzumeus.com/greatest-hits/ http://www.kalzumeus.com/greatest-hits/ (scroll down to 'Conversion Optimization')