I also use a turning block abeam of the secondary. This keeps the lines from getting in the way of cockpit movement. I have run them without and found it awkward by comparison.
A photo showing how this is rigged is here:
http://www.flickr.com/photos/66402598@N00/3484776571/
Last edited by dlabrosse; 06/26/11 11:48 AM. Reason: added link to photo