What Helppppppppppppppppppppppp!!!

So I've been searching for weeks for someone to answer me one question. Does model really matter for lights? I'm wanting to do cmh so which of these are the true badass lights that I've been hearing about. Please help!

Philips 146506 - CDM400S51/HOR/4K/ALTO 400 watt Metal Halide Light Bulb
http://www.amazon.com/dp/B002CYZLTC/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8I.
Or
Philips MASTER COLOR CMH 400W HPS RETRO CDM400S51/HOR/4K/ALTO 901551
http://www.amazon.com/dp/B001IMNATM/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8 or.

PHILIPS MasterColor 400W ED18 shape E39 Mogul base HPS Retro White Light Bulb
http://www.amazon.com/dp/B001VXTPXI/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8