Unfortunately there's no consistency with these. The 08's and 09's I've been smoking have no similarity in taste whatsoever. If you blindfolded me I'd be hard pressed to say they were the same stick. That being said they both have nice flavors just totally different.
It is not a bad idea to smoke 1 or two to determine if that box is worth saving long term. It might have legs, and it might not. It might just be a nice box of above average robustos.
Went through a box of psd4's with a similar code this past summer and they were great. Worst you can do is give one a shot, if you don't like it then give it a re-visit every couple of months to see if they are ready.