The nation's fifth largest wireless provider -- MetroPCS -- has checked in with its Q4 2011 financials, and on the whole, the company looks to be doing quite well. Metro reported $1.2 billion in consolidated quarterly revenues and $362 million in earnings, an increase of 16% and 15% when compared to the fourth quarter of 2010. A few other positive vitals: average revenue per user (ARPU) was up $0.76, net income rose to $77 million and churn dropped 80 basis points from 4.5% in Q3 to 3.7% in Q4. Two small blemishes can be found in t
