On the brink of the Summer music scene, two weeks from EarthFest 2007 music doesn’t stop in Boston. Good shows are still to be had on the cheap before the summer festival season is truly upon us. Take a gander at this week's picks and keep on rocking. Wednesday 5/16 The Blow With the release of their latest record, Paper Television, Portland, Oregon's The Blow have finally hit their mark. Earlier recordings were scattered......