Well, you can easy tell that by holding up one of your GPU plates against the purple and watching onlookers' expression 
Parvum take a day or two to respond to email - I would assume because they're busy cutting acrylic - but they do come back to you and they seem very helpful so far.
You could always do a reverse OCUK run: London to OCUK and back the day before a LAN party
*cough* 

Parvum take a day or two to respond to email - I would assume because they're busy cutting acrylic - but they do come back to you and they seem very helpful so far.
You could always do a reverse OCUK run: London to OCUK and back the day before a LAN party

