That's why I think that the decision to reprint PHB or not hasn't been made yet - atleast officially.
The 4E PHB1 has had at least two printings. I've seen a second printing. Allegedly there's also a third printing of PHB1, but I haven't seen it yet myself.
From what I've seen so far, there appears to be very little to no errata included in the second printing. For example, it still has the old text for the stealth rules.