I know this don't necessarily have to do with amps, but I figured I'd show this as what not to do in building any tube application. Can anyone spot the shock hazard on the old CD capacitor checker? I seen this and my jaw dropped, oh the good ol days =) Link; http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3284&item=3851298640&rd=1 Best & 73's Will Matney