If you were interested in iHome's earlier flagship clock radio iA100 but found the price a little too steep, the company's just-released iD50 ($170) is designed to appeal to you. With substantial overlap between their features, these systems are obviously brothers, though iD50 has a streamlined design with some of the aesthetic frills chopped down. Gone is the prior metallic roll bar behind the iPad/iPhone/iPod-compatible dock, replaced by…