I have a flair tip and i have heard the 40s is a great razor.
Here is a link to the ShaveWiki with some info RE: Agressive Razors: http://wiki.badgerandblade.com/Double-Edged_Safety_Razors_Ranked_by_Aggressiveness
For me, an agressive razor doesn't equate to a better razor but I will admit to loving every 40's SS I own. They are great razors, indeed.