It seems to be VJax is getting a bit more credit from some on this board than he deserves. He is a fine WR, but Gamble either shut down or nearly shut down far superior WRs last year. Fitzgerald and Calvin are WAY better than VJax and neither of them had good games with Gamble covering them. Roddy White is probably better than VJax too. I feel confident in Gamble's ability to cover him. He might not "shut him down" i.e. 0 receptions, but I doubt Jackson has a great game against us with Gamble covering him.
Vincent Jackson is getting praise because he can be a dangerous receiver.. if he gets 5 receptions for 89 yards like Megatron last year on Gamble then he's done his job and had a pretty good game..
225 yards? maybe not.. but he's moved the chains and possibly pulled coverage over his way..