>>273114>Just about any Blackburn-alike rack sold in a quality bike shop (Blackmans Parra; Hadleys Lambton) will do.+1 for that. Canadafag and I've been using the MEC racks for years with no problems.
3 stays with side to side triangulation is what you want.
MEC used to have good panniers too but I don't like their current offerings.