[color=#333333][font=Verdana, Arial, Tahoma, Calibri, Geneva, sans-serif][size=3]Wow, that's really interesting. The last time I got jiggy with some rockwool, I was 17 and we were building subwoofer boxes for our VW Polos, in order to best presuage the invention of the ASBO... That's class though![/size][/font][/color]