I like shooting in raw due to the many post production advantages, but I have noticed that many of my images are not nearly as crisp as they where when I was shooting in TIFF. Is there something I am missing I havent changed lens since going to raw.

Maybe in-camera sharpening is the difference. When you open up your RAW in software, there is an option to sharpen - as the camera might have done in other modes.

Your cam has adjustable settings that can apply a degree of sharpening to your images.

Depending on the RAW software you are using...it may or may not take that in cam sharpening setting into account....ie, it may default to zero sharpening when opening the image....of course you can change it if you wish.
The TIFF shot will already have the in-cam sharpening applied.

Generally, I leave my in- camera sharpening setting to off...then use image processing software to sharpen as a FINAL step. Third party software is much more sophisticated and will give you far greater control than the in- cam engine.

BTW, as a point of interest,  I don't think there is any such thing as a true ZERO sharpened RAW...I believe it has to sharpen as part of the process.

Hadnt thought of that thanks for the replys well I have 12gigs of raws from the workshop I attended last  night to work with.

I think sans hit it on the head - RAW is an exact as seen function and doesn't apply, contrast, sharpening or any other bits that come into plug with Tiff and Jpeg compression.
Leaving all the work up to you, including the sharpening :D
I think it's a pretty good way of knowing your work is improving coz when you don't have to sharpen as much you know your focusing skills are improving :D