Engadget Mobile Podcast 104

Manufacturers and service providers are really kicking it up a notch this week! AT&T will hit us with a big dose of speed on Sunday, Microsoft had a slew of mixed/delicious news for us at Build, and HTC's got its hands in a liiiiiitttttle bit of everything, from releases to maybe OS acquisitions. We'll lay it all out for you here, with an added touch of Volpe to round things out, on the Engadget Mobile Podcast.