Fiber only in DataCenters?

[James Wininger <jwininger () ifncom net>]

Hello all,

Looking for input from "providers" as well as "consumers" of data center space and facilities. Specifically speaking to 
the types of available physical cross connects.

Are there data centers out there that are "fiber only"? That is to say that the cross connects are fiber only and no 
copper cross connects are available?

I understand that fiber is great and all, but to my knowledge there are a lot of folks still using and needing copper 
cross connects. Am I wrong?
--

Jim