Choice is good. There's nothing like having plenty of options, especially when it comes to a discussion like what should or shouldn't appear on Xbox Live Arcade. Understanding this, Sega is currently conducting a poll which lets participants vote to decide the next game in its Genesis back catalog to be ported for digital download.
It sure is nice to know that your vote for Earthworm Jim counts for something. There are several selections to choose from, including Earthworm Jim and some other games that are not Earthworm Jim. One of them, however, is Earthworm Jim. Feel free to head over to the above link at your earliest leisure and cast your vote for the Earthworm Jim of your choice.
Your vote (for Earthworm Jim) is your business, and far be it from me to sway your decision. To vote for Earthworm Jim.