This signing also indicates another thing to me...that the Jason Bay era is done, and the Red Sox have every intention of Matt Holliday in left field next year. The Sox gave Toronto their first round draft pick because they signed Scutaro, but if they sign another Type A FA, that draft pick drops down to the 3rd round IIRC. The only area I can see them going all out for a Type A, is left field, and the only one that would allow that particular draft pick situation, is Matt Holliday.
I still think they pick up either Mike Gonzalez or Soriano for the bullpen, and I really, really, really think that over the next month or so, they trade for Roy Halladay.
I agree that Bay is probably gone, and with any luck, we'll be seeing Matt Holliday patrolling left field--hopefully for many seasons to come. After the Mark Teixeira fiasco last offseason, I don't see the Sox letting another huge target like Holliday get away.
Halladay...yeah, he's a very real possibility. I think (hope) come April, we'll either have Halladay on the mound or Adrian Gonzalez at first. Halladay is probably the more likely, though my fanboy homer dream is to see the Red Sox trade for Gonzalez this year and then sign Halladay next year when he hits free agency, rather than giving up a ton of draft picks for him now on top of having to pay him huge dollars.
Of course, it's equally as likely that we could end up with neither one of them, too. Hopefully we'll get at least one. And I know hoping to end up with all three is almost impossible, but I can still dream.