In one of my earliest nodes, Tk: pack, grid or place?, I asked for advice along similar lines. I found PodMaster's advice worth following: "Use what fits your brain/needs, and don't worry about it". If you follow the links in the update, you will see that I came across a situation where my tool of choice wasn't ideal. That's the point at which it is worth worrying about your choices - when they start causing you problems. As TGI said to you in Re^3: Seeing Perl in a new light: Epilog, "don't borrow trouble".