If you like the looks of it, go ahead and grab it. If you’re looking for a theme to modify you may find it interesting. I did my best to make the code readable and I encourage folks to make it their own.
If you decide to use Caffeine I’d love to hear from you via email or comment. Make sure to leave a URL. If you find any problems please leave them as comments as well and I’ll do my best to fix it for the next version.
Enjoy, and happy blogging!