Want to win a Plantronics 925 Discovery Headset ? Leave a comment! …and if you really wanted to, you could also listen to the podcast. Big on our list this week is the iPhone OS 3.0 announcement coming next Tuesday, which is exactly what our poll is about: what would you like to see in iPhone 3.0? MMS? Video recording? Or, heaven forfend, cut and paste? Make your vote before the Tuesday announcement, and leave a comment with your thoughts on Apple ( NSDQ: AAPL )’s plans for a chance to wi