<div id="blog">
    	<?php query_posts('cat=-4'); ?>
    	<?php if(have_posts()) : while(have_posts()) : the_post('cat=-3,4'); ?>
    	<div class="post-title">
    		<h3><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
    	</div><!-- end post-title -->
    	<div class="post">
    		<?php the_content('read more...'); ?>
    	</div><!-- end post -->
    	<div class="post-meta">
    		<p><?php the_date(); ?> | <?php the_tags('tags:', ', ', '<br />'); ?></p>
    	</div><!-- end post-meta -->
    	<?php endwhile; ?>
        <?php else : ?>
                <p>I'm not sure what you're looking for.</p>
        <?php endif; ?>
    </div><!-- end blog -->