We have 366 projects.
One other important piece of information is that the RC was installed on a SQL 2000 server, whereas the Beta 1 & 2 was installed on a SQL 2005 server.
Now the SQL 2000 server, is our production server and is higher spec and runs SCSI RAID, so it shouldn't be a problem. Also, it seems that the problem is related only to the Windows client.
I can send you the database, it is 2.5G uncompressed and 350M compressed.