On Dec 30, 2003, at 12:19 PM, Kynan Shook wrote: > you can install the optional CHUD tools from Apple's developer tools > installer. > > Anyway, that should give you a few ideas on what could influence the > speeds... Hope your brain didn't explode there! Brain is still in one piece, and I appreciate the input. The laptop is way more useful to me because it's really hard to lug a Power Mac into the field along with a Honda generator to run it :-) The processor is set to Highest performance, but I never considered the CHUD tools, nor did I consider the difference in processor cache. Since ESRI ArcExplorer is a Java-based app, I have made sure all my updates relating to Java are current. I'll check some of this out. Thanks much. -- Chris