According to Pro Football Weekly:

With talk that Donovan McNabb could get an extension that could make him an Eagle for his entire career, it’s interesting to note what might happen to Kevin Kolb, once believed to be the heir apparent at quarterback. Our sources continue to tell us that the Eagles like Kolb — just as the Packers liked Matt Hasselbeck once and the Patriots liked Matt Cassel after his breakout season. There just might not be a home for Kolb, who is signed through 2010. Don’t be surprised if he is showcased a little bit this season, perhaps in a blowout or two, and then becomes trade bait next offseason.

The NFPs Michael Lombardi had this to say, referencing the same article quoted above:

Reminder also, when we go uncapped next year, Kolb will be have to be in the league six years before becoming an unrestricted free agent. So based on his recent play and the conditions in the NFL, the Eagles might trade Kolb, but they’ll never get a second-round pick back. 

I don't know much about Kolb other than he's been in a similar situation to the one Hasselbeck was in prior to us trading for him. A backup riding the pine and holding a clipboard, while studying behind an all-pro quarterback. But that's not all. Kolb hails from a West Coast Offense, as well, and could make a fairly seamless transition if he were traded to become a Seahawk (depending on what changes our new coaching staff make schematically, of course). With some talk of targeting Brian Brohm for the same reasons, news of Kolb potentially becoming available for a similar price could provide another option. Food for thought.