As seen here at Amazon.com.
I take my Wii around a bit and looked into the many different case and bag options for hauling the console around. I eventually went with Intec's Wii Pro Gamer Case for several reasons:
• Hard side case
• Inexpensive at $25
• Built specifically for the Wii
• Looks good
Construction - In appearance, the case is a blank, metal suitcase that does not say "wii" anywhere, making it an anonymous container, which can be a pro for keeping would-be thieves second-guessing the contents. Every other case I saw was a soft case or bag emblazoned with "Wii" that, other than the material the enclosure was made of, offered little protection from crushing forces. The Pro Gamer Case is a hard-sided aluminum case. You can stand on it and your Wii is not going to get crushed, nor are any of the more fragile elements, like the thin sensor bar. The inside is lined with some sort of black suede-like materal that won't scratch anything and the partitions themselves are sturdy. I read somewhere a complaint about the hinges; they only open to 90°, much like a musical instrument case, but I find no problems with this. It would take a lot of force to break the hinges.
Compartments - To me, this is the next biggest selling point. No other case has quite the compartmentalization that the Pro Gamer Case has. The slot for the Wii itself includes velcro straps to hold the Wii down but these are barely needed. The console fits SO snugly it can actually be difficult to remove. Inside the lid are two elastic bands made especially for the sensor bar, holding it securely in probably the safest configuration of any setup thus far. The rest of the organization made possible by the case varies due to its one flaw, which is seen as a major flaw by many people: the lack of room for the power block.
In the main area of the box, there's a long, skinny compartment above the one for the Wii. This is the perfect size and shape for the Wii stand. The other, smaller compartments to the side are good for Nunchucks and for the audio/video cable, but none are wide enough to accommodate the cables protruding from the power block. The only way to do it is to put the block in at an angle in the largest of the side compartments and then carefully stuff the cables in around it, a far from ideal situation. However, the Wii does not need its stand to run properly, so if you are willing to leave the stand at home, the power block can be fitted into its slot comfortably, leaving ample room for up to 4 Nunchucks and the audio/video cable.
The lid not only has the slot for the sensor bar, but two more loops the perfect width for Wii game boxes, game manuals, or two Wiimotes side-by-side in each band for a total of 4 Wiimotes. If you place the Wiimotes so that the band runs between the buttons, then there isn't as much chance of the buttons being pushed by the lid partition and thus draining the batteries.
Price - at the time I bought my Pro Gamer Case, the next best choice, the G-Pak, was over $100 in price. The G-Pak is notable for its VERY spacious main compartment, game disc holders in the lid, and the ability to leave the Wii strapped in the case with its cables plugged in so that once you get where you are going, you simply unzip the bottom of the case to reveal the cables and then plug in the Wii without having to unpack it. The one flaw with this (other than initial price) is that, like most other cases and bags, there is no compartmentalizing. Everything gets tossed in, free to move about.
Conclusion - There are a lot of cool options for the Wii (including a cute bowling-ball bag style setup) but for the protection of the Wii and its components, despite the lack of forethought in designing room for the stand and the power block, this is by far the best way to go for the Wii.