In a recent conversation with a few reporters, one of the things Andy Reid emphasized about his team was that "I see what everybody sees" - the Eagles are inexperienced, with lots of brand-new parts that are going to need a break-in period. This is as close to an admission of rebuilding as you are likely to get.
Of course, that doesn't mean the 12th-year coach doesn't expect to contend, or to win. But he would be delusional if he thought he was just going to roll out the starters and dominate the NFC, the way he did in, say, 2004. The 2010 Eagles shouldn't be a terrible team - if they are, then you have to question whether the people assembling all the young talent really know what they're doing - but realistically, this group probably is going to struggle, perhaps be really good one week and really bad the next.