Are these any good

[cmygtgo]

I'm going to be converting to SW and I'm wondering are these any good for lighting. They are half the price than marinedepot so I'm just curious. Thanks
Josh

http://cgi.ebay.com/72-Metal-Halide...5|66:2|65:12|39:1|240:1318|301:0|293:1|294:50

http://cgi.ebay.com/NEW-AQUARIUM-ME...5|66:2|65:12|39:1|240:1318|301:0|293:1|294:50