Hi Jacob
Sure it will work - I think you can use the same trick to get NEWID() into a function. Many sites however don't allow it (openrowset, linked servers etc).
Cheers
ChrisM
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden