Hi Steve, Great images indeed! We use PeakForce Tapping quite a lot here in Nottingham, LBSA. And we do get some quite remarkable images as well. Although we mostly use it for soft materials like organic monolayers. Here is the link to our recent paper with some high resolution images aquired with PeakForce: http://pubs.acs.org/doi/abs/10.1021/jp212388c