I didn't ever really agree that Key wasn't good enough to play for England, people made too much of his weight. I was very impressed with him against the West Indies, where he batted sensibly and well where others lost their heads (and wickets) too easily, irrespective or the quality of the opposition. I've also seen players average worse against Australia (Strauss and Bell whom I rate, Ramprakash who I'm not sure is a long or even medium term option not necessarily through his own doing, and others). I haven't seen him play since that SA series, but his off-side technique seemed to need a bit of work, but if he has done that I'm all for him having another chance - he was brought into the side aged 25/26 which was young, and is 29 now, and therefore (as ther article I'm about to reference says) should be at the peak of his game and have a good few years (4 or 5) left in him at the highest level. Plus, it's not all about quality youth and players learning in the international environment, you do need experience too. As we have Cook, Bell, Pietersen, Ambrose, Broad and Panesar all learning (and learning well, and mostly performing) and young, we need Sidebottom, Hoggard, Collingwood and Vaughan (though if he fails at 3 this summer, this is one of my first indications that I think his time may be up and Collingwood should captain) too. Key was given one chance, did score a double century and get a couple of decent scores against South Africa despite (like Anderson, and others) having no match practice, and I think he does deserve another if he genuinely looks a better bet (to me) than:

Cook, Strauss, Bell, Vaughan, Pietersen, Collingwood (consider fielding, bowling and captaincy in addition to sensible and solid batting), Shah, Carberry, Denly et al.

And unlike some others in times before him, he really wants it:
Cricinfo - All for England

I don't want county trundlers or journeymen, but I don't want wayward pace or irresponsible and unconcentrated (too few conversions, centuries and especially double hundreds, Michael Vaughan, Ian Bell Alistair Cook and Andrew Strauss) batting either. I'll not rule players out either, people can learn. I want players who are good, talented, skillful and with the right winning mindset to play for England, nothing less. We had that in 2003-5, let's get it back.