Various sales people have been claiming that for 4+ years. Mostly hype.
Cat5e does gigabyte which unless you are transferring huge amount of files constantly between beefed up file servers is quite adequate. For most PC's its the harddrive limiting the file transfer not network.
Cable and...
One thing I have done in a few places is add a 1/2 height brick wall for side of shower and only have glass on top half. Also means you end up with a nice shelf. I know they are all the fad but not a fan of glass doors either so went with just a curtain.
Depends on what you want to achieve...
