I can't say that they are good, but I have been trying to plan out the two TBH's I will make soon. I haven't finalized the plans, but I have started a blog (topbarbees.wordpress.com). I have some pictures there and when I finalize it (or maybe before), I will post the complete plans. I make the plans in Google Sketchup to get a 3D model with all the dimensions.
Kawayanan