Gabe Suarez was recommending them and selling them for a while... So with that kind of endorsement, it's probably not that silly of an idea.
Personally, I like the night site arrangement, and the red dot will be *just a bit* more expensive than the night sites...
Here is a link to one of his pistol packages:
TSD COMBAT SYSTEMS TIER 1 GLOCK PISTOL
You can also visit his forum to find out what the general thoughts are on this type of system - WarriorTalk Forums
Hope that helps you out!