We got our console on the day of launch. I'm much more of a PC gamer, so I wouldn't normally touch the consoles more than once a week if there's not a specific game I'm trying to complete.
I don't think I could easily quantify my usage, but I guess I'd say "regularly". I think a lot of people forget that the main selling point behind the Wii is the multiplayer aspect though. Sure, you may not want to play on your own every day, but it's great for when there are people round. It's not supposed to attracting the same audience as the 360 and PS3, the type of people who play games every day. Unless they're living in a student house or similar, I wouldn't expect anyone to say that they play it every day, as it's just not that sort of console.
I don't think I could easily quantify my usage, but I guess I'd say "regularly". I think a lot of people forget that the main selling point behind the Wii is the multiplayer aspect though. Sure, you may not want to play on your own every day, but it's great for when there are people round. It's not supposed to attracting the same audience as the 360 and PS3, the type of people who play games every day. Unless they're living in a student house or similar, I wouldn't expect anyone to say that they play it every day, as it's just not that sort of console.