A couple of months ago I wrote a tutorial on how to make a GUI in C, which was published (in English) on the Amiga-News.de website. This tutorial also fitted in as an example for my first book The complete source of the example can be downloaded...
I now finally have my own chance at trying out the PiStorm and LazarusStorm combo on the Amiga 500. A serious upgrade for the 500 without being a serious drain on the wallet..