I Like It
Pretty good. It is of course a very large project so there are a few mistakes in there.
First off, on the first page of the bio it explains things that are on the intro page, that can be confusing. Also you downsize yourself a lot in the bio, for a portfolio that is a big no-no; even if you don't think a whole lot of yourself your portfolio shouldn't reflect that.
Also your navigator could use some kind of sound (like you said maybe a pig squeal or maybe some electric sound effects). Some kind of "elevator" music would be good to, something that could set the mood for the reader.
Throughout I noticed some grammatical mistakes which a few peer reviews should fix right up. Other than that though this is a well done art portfolio. Good luck in your future doings and keep up the good work!