Download Orcas March 2007 CTP
A new Orcas CTP is out, but if you don't want to push all those "Download" buttons, here are the direct urls:
http://download.microsoft.com/download/9/7/7/9773e5e6-a27f-4c29-9aa0-ea4070bc0657/VSMar07CTP_TFSVSTS_9PartsTotal.part01.exe
http://download.microsoft.com/download/9/7/7/9773e5e6-a27f-4c29-9aa0-ea4070bc0657/VSMar07CTP_TFSVSTS_9PartsTotal.part02.rar
http://download.microsoft.com/download/9/7/7/9773e5e6-a27f-4c29-9aa0-ea4070bc0657/VSMar07CTP_TFSVSTS_9PartsTotal.part03.rar
http://download.microsoft.com/download/9/7/7/9773e5e6-a27f-4c29-9aa0-ea4070bc0657/VSMar07CTP_TFSVSTS_9PartsTotal.part04.rar
http://download.microsoft.com/download/9/7/7/9773e5e6-a27f-4c29-9aa0-ea4070bc0657/VSMar07CTP_TFSVSTS_9PartsTotal.part05.rar
http://download.microsoft.com/download/9/7/7/9773e5e6-a27f-4c29-9aa0-ea4070bc0657/VSMar07CTP_TFSVSTS_9PartsTotal.part06.rar
http://download.microsoft.com/download/9/7/7/9773e5e6-a27f-4c29-9aa0-ea4070bc0657/VSMar07CTP_TFSVSTS_9PartsTotal.part07.rar
http://download.microsoft.com/download/9/7/7/9773e5e6-a27f-4c29-9aa0-ea4070bc0657/VSMar07CTP_TFSVSTS_9PartsTotal.part08.rar
http://download.microsoft.com/download/9/7/7/9773e5e6-a27f-4c29-9aa0-ea4070bc0657/VSMar07CTP_TFSVSTS_9PartsTotal.part09.rar
I won't even bother you with the installable download, you should definitely be using a VPC for stuff like this ;)