I'm also totally blind. I agree, I really don't care about anything visual. However certain sounds are beautiful to me. The sound of a bird flapping it's wings is absolutely wonderful. I also like simple, clean, online services. I accessed this from an RSS reader. I enjoy using RsS because it's simple to use, and it serves it's purpose well.

I am totally blind and have always been. So I have no attraction to anything visually.

SO what do I find beautiful?
My wife's body, from a tactile perspective.
Music, especially certain classical, choral or otherwise harmonious works.
Poetry or prose with that hard-to-define quality that really calls to me.
Clean computer code, algorithms written well, serving their purpose properly.
Collections of things well-organised: book or music collections, etc.
Food, particularly meals juxtaposing flavour or texture.
The pure emptiness and possibility offered by a blank document to write in, an empty project to code, or a clean countertop to prepair food.