Still content with Lightroom 3.5? Check out Version 4, which has just emerged from public beta, and you may decide it's time for an upgrade. The revision brings a long list of new features, including improved highlight and shadow processing, better video support, geo-tagging and a Book Module for self-publishing photo books via the Blurb online service. Then there's the clement pricing: $79 as an upgrade or $149 new. Still not sure? DPReview has a detailed assessment at the link below, so don't be jumping to conclusions til you've read it.