the farm system isnt great but is definitely improving. cards hired former brewers minor league coordinator (not sure of the title) and also hired some stat guy to help with drafting. part of the reason it sucked in the past is because the cards werent shy about trading unproven prospects for veterans. also, they would lose first and sometimes second round picks due to signing free agents. they are now making an effort to get more production from the farm system. the system is pretty top heavy right now. there are a couple legit prospects but not a whole lot of depth.
right now the top prospects are primarily pitchers. the top pitcher is anthony reyes. he was once thought of as a first rounder and potential number one draft pick (thought to be better than prior as a freshman when they were teammates at USC) but suffered from tendonitis. his velocity dropped and so did his value. we nabbed him in the 15th round. however, his velocity has returned and he is looking like a potential #2 starter. good fastball with movement and had a very nice strikeout rate at AA last year. i am pretty excited about this kid but he needs to stay healthy.
daric barton is about our only legit position prospect. he is currently a catcher but there is some question as to whether he can field that position in the majors. his bat will find him a job somewhere. he is putting up great numbers and was just 19 last year. looks like a pretty good bet to be a middle of the order hitter at his peak.
you can read about the rest here:
http://thecardinalnation.com/top25.html