c++0x and RHEL5.X

Hi all,
   we have been talking about mandating c++11 some time in the next few months.
Today I was trying to rely on a c++0x feature, and I realized that
RHEL5.X ships gcc 4.1.2, which doesn't support c++0x. RHEL6 ships g++
4.4.7, which supports c++0x but not c++11.

Now, what I need to do here is mostly convenience, I can work around it.
However I am annoyed; we will need to make decision and this fact
complicates things.

-- 
    /kinkie