I personally like #1,#4, #13 and #15 :) Regards, Andrew B aliensrcooluk at yahoo.co.uk --- On Mon, 15/6/09, Brian Lanning <brianlanning at gmail.com> wrote: From: Brian Lanning <brianlanning at gmail.com> Subject: cool article To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Date: Monday, 15 June, 2009, 6:25 PM I'm particularly impressed with the TI-99/4A in problem #13 http://technologizer.com/2009/06/14/fifteen-classic-pc-design-mistakes/