I work on an Intranet app that we sell to customers that has to support tens of thousands of concurrent users and costs thousands per seat, so I tend to get fairly obsessive about saving a few k here and a few k there...

...our app currently runs to about 200,000 lines of code across 1,000 .asp, .htm, .js, .vb and .xsl files. And that doesn't include the database neutral, data driven middle-tier it all runs on top of. All the data exchange between the IIS layer and the middle-tier is with XML, I've almost forgotten how to call the database direct...