VUDA VS Wizard and SDK question

Hi all,

I have installed and experimented with the VS Wizard and have a very general CUDA development question: are people using the cutil library in deployable applications? I really like the idea of the VS Wizard, but I tend to stay away from libraries like the one included with SDK. From SDK to SDK, how much does the API change, and are people using it. or just replicating the desired functionality within their own code?

Thanks,
Peter