I was not able to fully upgrade gcc on hopper through the ports package. What it did was to install the binary with a different name so:
$gcc --version
2.95.4
$ gcc33 --version
gcc33 (GCC) 3.3.1 20030707 (prerelease) [FreeBSD]
Is there a way to drop the 2.95.4 release of gcc and move the gcc33 binary name to something more common (e.g. gcc)?