Great news for the Desire owners, Honeycomb SDK port to Desire. Before this Honeycomb is also ported to different other Android devices like Archos 101 Tablet, Nexus One, Desire HD etc. All credit goes to the XDA devloper coolexe who port Honeycomb SDK ROM to desire. After getting source code for honeycomb ported to nexus one Coolexe build a ROM for Desire. The developer said that after flashing Honeycomb ROM device working smooth and fine.
You can free download Honeycomb 3.0 SDK ROM for your HTC Desire from here and then flash through normal recovery mod to your device. If you have any issue with Honeycomb SDK custom ROM or need support you may discuss it in Official XDA forum here.
As soon as possible we get the instructions, we also publish Step by Step guide of how to install Honeycomb custom ROM on HTC Desire. Keep in touch and up to date yourself.