I assume many here are using some version of Adobe Photoshop for auxiliary touchup work and the like. For someone whose needs will primarily be improving digital photos and scans to be included in widescreen projected presentations, does the full version offer enough enhancements over the Elements version to justify the difference in price? And since older versions are available through OEM stores and Ebay for substantially less money, would using Photoshop 6 or 7 be a major handicap versus the newer CS versions? Any advice appreciated--including alternate or additional software for this type of work.