CS4 http://www.adorama.com/alc/taginfo/CS4 Blog: How to Crop to HD in ACR, PSE, CS4 and LR3 Beta Video Tutorial.Our SLRs and compacts capture frames at 3:2 and 4:3 ratios, but HD is 16:9. Here's how to crop effectively. http://www.adorama.com/alc/blogarticle/12247 Article: Setting up a New Version of Photoshop.Optimize your preferences and settings <p><span style="font-size: small;"><span style="color: #000000;">Here's how to make sure the transition from one version of Photoshop to another goes smoothly.</span></span></p> http://www.adorama.com/alc/article/11228 Article: Adobe Photoshop CS4 User Report.Diane Miller puts the latest version through its paces <p><em>Read this before you buy.</em></p> http://www.adorama.com/alc/article/8639