I"ve noticed that trying to sign in to GTalk over 3G is nearly impossible...apparently one needs to be signed in to download apps from the market...but when I switch over to Wi-Fi I can connect instantly. Is this a Sprint/Google issue? I've found untold amounts of issues on forums regarding the inability to download apps from the market unless signed in to GTalk...it just seems to be a pain in the ass to want to download an app but first you have to find a Wi-Fi hotspot to sign in to do so. Think this will ever be resolved?