if i could make those puzzles, even if it was after someone else had made one, it would at least save me a LOT of money! besides, theres nothing wrong with coming up with a better mechanism etc.
i also sympathise with you sandy! my only 'masterpiece' is a 3x3x5 (extended of course

) which i made with two little micro cubes. i was going to announce it on here when i finished because i was so proud of it, but that was around the time when chris was sharing some of his 6x6x6 building ideas, so.....