I dont have the intake, but I do have the side markers. They are, in my opinion, the best design out there. Most like OEM.
As for the intakes, I have read alot about the CAI. Quite afew have had problems with mounting points breaking. In OBXs defence though, I have also heard this about the AEM.
OBX does not have a great reputation, but they have some of the very best prices. Depends what you have to spend. It also depends where you are buying from. If it is on e-bay, you will be on your own. If you buy from a good company, they should help you out some after the sale.
Balance the cost, how badly you want an intake and how long your willing to wait. In the end, only you have to be happy with your buy.