Quite frankly no, I had the following KBs that I always used for these occasions, however since they (management) brought up CLUSTERED for probably future data architecture optimization, i want to give them a definite answer. Most of cluster discussions online are usually regarding hardware ultimum size rather than datable allowed size.
http://technet.microsoft.com/en-us/library/ms143432(SQL.90).aspx
http://msdn.microsoft.com/en-us/library/ms143432.aspx
thank you,