LOL.... Just to reinforce the arcylic vs delrin / polycarbonate:

Arcylic skylight vs hammer
http://www.youtube.com/watch?v=24sf4...eature=related

Delrin skylight vs hammer
http://www.youtube.com/watch?v=YJ8G0...eature=related


I'm curious if anyone has an answer as to why anyone would even use arcylic today, because there are a number of companies still doing this.