I have a 250W HQI pendant about a year old and a new (still in box) Giesemann Megachrome Marine 12,500 K bulb I'll be selling soon and will be in Kelowna in 3 weeks but it's dual end.
It was the one over my clam tank that I'm shutting down
http://www.aqua-medic.com/oceanlight_pendant.shtml