I've been Lucky with Metroid Prime Trilogy.

[Luthor]

 

I've received this mail from Nintendo:

Step back in time with Samus by claiming your free Metroid download Thank you for registering Metroid Prime Trilogy at the official Nintendo of Europe website. You are one of the first 5.000 Metroid fans to do so! As a registrant of a previous game in the Metroid Prime series, you’re now entitled to claim a free download of the original Metroid for NES via the Wii Shop Channel. Follow these step-by-step instructions to redeem your Wii Download Ticket for Metroid and return to the starting point of the epic sci-fi saga! Your Wii Download Ticket number:

Yep. I've got my free metroid on nes for download. However, I already have the game. (aargh!) Is someone interested? I'll give the code to the first one since I can't use it. (oh and MPT is awesome)

 edit: (PM me quick :))