The stock market volatility of late puts into question how much longer the current uptrend can last. Dividend-paying ETFs can cushion the blow of day-to-day gyrations and offer investors something for sitting on their hands. Here's a look at five of the fattest-dividend paying ETFs on the market and what's driving there performance. With the exception of iShares FTSE NAREIT Mortgage REIT ETF (REM), all of these are very thinly traded, so they'll