Recently, Engadget editors Thomas Ricker and Chris Ziegler received Nokia N97s just days apart from one another. Already established pen pals, the two immediately began to correspond across the Atlantic via carrier pigeon, discussing their very different experiences using Nokia's most powerful smartphone to date. This is a recounting of those letters.Thomas,I hope this letter finds you well. I understand that you've received an N97 from Nokia Nederlands recently and was wondering what you thought of it? As luck would have it, I've happened across a unit myself -- the US was the first country to get them, interestingly, which is really big deal for a company accustomed to delivering its best hardware early and often to Europe. I've been flogging it for a f