I think once i add some high frequency detail in photoshop plus the diffuse it wont be as obvious. At least not with my tests so far. Just checked out your cathedral tiles cdevens they are ace, it looks like the specular really makes the difference?
Skillmister: Thanks for the compliment. The spec is still a little high on my tiles but it does add a lot of depth when light hits the edges. A cool trick is to add a stylize>find edges filter to a copy of your normal map in Photoshop. Then desaturate and adjust the contrast for whatever effect you are going for. It will…