Is anyone going naked for CSS Naked Day tomorrow (5th April)? click here
The idea is to promote Web Standards by showing he world how your site looks without any styling. If it has been written to standards with good structure and heirachy and semantic mark-up it shoud degrade well without style.
Dustin Diaz (the originator of the idea) does advise that it probably isn't suitable for an e-commerce site to take part (though some are) so it is mainly personal pages and blogs that will be "showing their white bits".