Another rumor to get us through the day regarding Samsung, T-Mobile, and the Vibrant 4G: the release day may be February 23rd. This is based on a release roadmap sent to TmoNews by who we assume could be a trusted tipster. Other devices on the list include the Samsung Sienna and the Motorola CLIQ 2. So there you have it. We all know what I’m going to wonder next, though: is it safe to say that the original Samsung Vibrant will get Android 2.2 at the end of February? I kid, I kid. [via TmoNews]