Go ahead! As long as the applications support NAS [network attached storage], there is no real reason to avoid NAS. Exchange is one example of an application that does not support NAS, and most high-end database applications use SAN [storage area network]. Remember that NAS works at a higher layer and offers more intelligence but introduces a bit more latency that limits performance. SAN platforms also have the benefit of incumbency...
-- it's already deployed in the organization and supported with experience and expertise.
Check out the entire NAS FAQ guide.