check out ACM CHI conference guides, they usually tell you how to write 
paper and how they would be reviewed...
<br>
<a href=http://www.chi2008.org/notes.html> CHI 2008 Notes</a>
<br>
<a href=http://www.chi2006.org/bestofchi.php> CHI 2006 Best of CHI</a>
<br>
<a href=http://www.chi2005.org/cfp/guide.html> CHI 2005 guide</a>
<br>
<a href=http://www.sigchi.org/chi99/call/papersguide.html> CHI 99</a>
<br>
<a href=http://sigchi.org/chi97/call/papers/papers-guide.html> CHI 97</a> 
<br>

there are some making REAL poster guidelines: <br>

<a href=http://www.swarthmore.edu/NatSci/cpurrin1/posteradvice.htm> 
Poster Advice</a><br>
<a href=http://www.sigchi.org/chi99/call/poster-design.html> Poster 
Design CHI 99</a> <br>

<a href=http://www.acm.org/uist/posterexamplegallery/> Poster Example</a> 
<br>