Only reason I could see not doing it is you are under warranty and you don't want to spend $35 bucks for a placeholder
http://store.zeckhausen.com/catalog/...dv-007&x=0&y=0
Zeck CDV for warranty issues and you are good.
I think another reason is that you might not be comfortable doing it yourself, if so, minor labor costs to do it, but an additional cost to consider.