Until very recently, I hated estimating programs made from spreadsheets. Spreadsheet-based programs always look great on the monitor: They're like working with a sheet of paper onscreen, you get to see all the estimating data at once, and they're easy to learn to use. But that's about where the good ends. When it comes to printing reports, adding or eliminating items of work, and general versatility, they're usually lousy. I've seen so many bad spreadsheet-based programs that, when someone asks me to look at one, I get queasy. But all that changed recently when I was asked to take another look at the Precision series (which looks like a spreadsheet-based program) from Timberline Software. You see, I already had tried a