5-bolt is the way to go

A Surly stainless steel ring can be straightened when damaged and the teeth last for ages.
I quite like the look of these in Ti though:
http://www.homebrewedcomponents.com/store.php/categories/pictures
Yes get shorter bolts, I like steel ones, and get the right length BB or use some of these to sort your chainline out: http://www.velosolo.co.uk/bbspacers.html


