In general the current versions of conventional films like Tri-X, FP4, HP5 etc are longer-scale and straighter-lined than their previous incarnations. Essentially they are less conventional than they once were, relative to their flat grain counterparts. My understanding is this is mostly because the technology involved in flat grain films (ie flatter grains, more dye sensitization, less silver) has been applied, to some extent, to the conventional films as well. Depending on your personal taste these are either improvements or not.