From AcroPDF Systems:
Adobe Photoshop SpeedUp is a standalone application that significantly decreases the time it takes to load Adobe Photoshop by disabling the plug-ins that you may not need. There are several options such as whether to load the Adobe fonts, load the presets, and set the memory usage. You may restore to the original settings at any time. Adobe Photoshop SpeedUp is freeware, works with Adobe Photoshop versions 3 through CS4. Available interface languages: English, French, German, Spanish, Italian, Portuguese, and Japanese.