I was and am still a little aprehensive about his arrival but those comments by Rodgers on his pace and physicality that you alluded to Jason caught my eye. Pace is certainly something we've been missing recently so that's a big positive straight off.
Anyway I'm getting too long in the tooth to worry or get all excited by signings these days. We've all seen them work and fail spectacularly over the years but what i will say is there are still bargains (relatively) out there to be had. Jelovic and Pobgrebnyak (spelling) spring to mind from the immediate past.