Quoting The cake is a lie:" sorry, what carseats are those? Not familiar with the abbreviations."
Quoting Lara +2:" I've heard nothing but good things about the s4m. Sorry you didn't like it looks like an awesome seat"
Quoting brigala:" Graco has made some modifications to their instructions for rear facing. You can now use the crotch buckle ... [snip!] ... http://blog.gracobaby.com/2012/10/17/we-listened-updated-recommendations-for-size4me-70-and-my-size-70-convertible-car-seats/"Thanks for posting this. I almost had a heart attack. I just ordered two of these seats like 30 minutes ago.