Apple systems have become the tools of choice for coders but not without a few aches and painsWhen Terry Weaver wants to create .Net applications, he fires up Visual Studio and types away like any other .Net programmer. The setup gets a bit weird when he wants to test how the .Net application might appear to a Mac user visiting the Web site. Instead of starting up another machine, asking a colleague with a Mac, or simply ignoring those crazy followers of Steve Jobs, Weaver just pops over to the browser in another window.