5 people from the barcaforum, sounds like a quorum
Just giving an account of members here who watch Barca week in, week out.
Let me put it simply, Deco and Thiago are AM's. Dynamic, daring, explosive, creative, etc. JDS is Xavi-like, a CM. Setting the tempo and dictate play. I'm really interested to know what aspects of JDS game reminds you of Deco?
From ESPN soccernet
Thiago Alcantara (11/04/1991): Chelsea are said to be looking to sign Alcantara, who is regarded to be one of the best prospects in Barcelona's academy. He's currently training with the first-team and has played for the senior side during Yaya Toure and Seydou Keita's absence at the African Nations Cup. The son of former Brazil international Mazinho, Alcantara has been dubbed the new Deco.
From BFB (i don't think i'm allowed to post the blog link here)
He is not a classic four prospect. The comparisons most used is a young Deco. A fearless, relentless midfielder who is not afraid to try the impossible dribble or pass (sometimes resulting in goals and sometimes in counterattacks against his team),