Using loops and query_posts

Greetings,

I’m messing around with the loop in WP and I’m trying to get some custom query’s working. Here is the basic query:

if (have_posts()) : while (have_posts()) : the_post();
// Do stuff like format each post etc
endwhile;


It works just fine. Here is the trick, how can I do the same exact query but instead of ‘doing stuff’ to every post, do stuff to every post except a post whose id is XX (whatever # I choose).

In other words, how can I use query_posts (or any query, I dont’ care which function) to get and display all posts except one whose ID I specify?

Is it posible to use something like !=$some_post_number where $some_post_number is already declared?

Thanks for any help.