We've already heard some talk that ASUS might possibly be launching an e-book reader before the end of the year that may or may not be the world's cheapest, and it looks like some unnamed execs at the company have now dropped a few more details on the matter. While it's all still far from official, CENS reports that ASUS' e-book reader could hit both American and European carriers by March, 2010, and that it'll include both 3G and WiMAX versions (plus WiFi, naturally), but presumably not a version with both 3G and WiM