Yes... to make it bigger would have taken ages in rendering time. However, there are this with powerful work stations or lots of patience who have done this, and one of them is Mandelwerk, whose 'zoom ins' and 'fly throughs' are truly stunning [link] . Unfortunately, the best of them are on Youtube.
oh, actually i did spend the time, but had to shrink it for swf-ing to to the conversion program i think. and yes, mandelwerk is totally awesome at this...