I'm pretty sure Borland's C++ Builder 5 is the worst IDE ever. It's slow. If you try to use tooltips or code completion, it takes a good 5 seconds before anything shows up. On top of that, since they didn't put the tooltip activity in a separate thread , the entire application is frozen and you get the hourglass while it's looking for something to display. Super. Not only does it take forever to get a tooltip, but the default timeout is too shor…