OK, I I found my answer here
http://www.quilt.com/HowTo/SpeedPiecingDirections.html
I love this site, and I think I'll use the addition of 7/8''and 1/4'' seam, instead of the one inch with the scant 1/4'' seam for the HST.
Ooh, this method is going to save me time and hopefully help me get my points right:)