Some friendly advice:
Consider getting a redesign done for your front page and tour. Personally, I find that sort of dark color scheme and fuzzy button work unappealing. It looks slightly unfriendly, really, which is one thing a personal site shouldn't be
Also, don't open popups on people until they've closed your site. If someone clicks to take your tour, you should leave them in peace until they try to leave the site.
SpaceAce