“Nofollow” links are selfish and monopolistic
robinwinslow.uk
robinwinslow.uk
The nofollow attribute just has to be used where it makes sense, and usually it is not content pages.
In the case of the expensive page that you don't want bots crawling, the only sure fire way is to block bots based on the user agent string.
Google both follows and indexes nofollow links.