We'll be honest with you -- it's a bit disheartening to watch the (seemingly) inevitable happen to Helio. After all, it's managed to soldier on despite hordes of other MVNOs hanging it up here in the US of A. Nevertheless, data gleaned from EarthLink's most recent annual report shed some light on its deteriorating situation. Reportedly, Helio's net loss "widened by 41.3-percent to $326.6 million in 2007 compared to $191.8 million in 2006," yet revenues managed to grow 267-percent to $171 million from $46.6 million the year prior and subscriber growth rose 28-percent over last quarter to 180,000. Add those figures to the $42 or so million it lost in 2005, and we're up to a grand total jus ...