3 Domino Servers in a Cluster on a Microsoft Cluster itself

Has anybody ran a Domino Cluster on a Microsoft Windows2000 cluster itself, what’s the outcome. Any problems or pain/ or is it excellent?? I’ve got 3 Domino Servers in a cluster. And because the 3 Domino Servers are installed on 3 Windows2k Servers, I was just about the put the 3 Win2k Servers into Clustering mode. But is still reluctant because haven’t heard of anyone running it this way as yet… Anyone with an excellent answer to this idea???