It really makes my workflow much faster. It's elegant, smooth and any Mac I use without it doesn't feel complete. As a Windows user, Finder cut-and-paste of files feels like such a natural thing, I can't imagine why it's not a native feature, but it's all possible thanks to TotalFinder.
As a dev myself, I know that you tend to only hear from people who are having problems with the software, and don't get me wrong, I've had my share of quirks, but overall I'm a happy camper and I wanted to send some positivity your way. Keep on keepin' on, TotalFinder is the best Finder-enhancement on the market and I'm thrilled to use it every day.