A new version of KDE-based LinuxMint 12 has been released by Clem and it's now on progress of mirroring to mirror sites around the world. This version is based on Ubuntu 11.10 with some improvements to bring the best experience using Mint way.
Read the announcement, release notes, and what's new for more detail about this release. I will have this ISO ready in UKDW Repository within short time in the future (32 bit version is ready and 64 bit is on progress right now).
Update (February 5): All the ISOs are now ready at UKDW Repository