Replace all those chargers (Score 1)

Buy an iGo charger system and chuck (well, maybe just box away) all the ones that it is able to replace.

Of the list given, it appears that they have charger tips for everything but the Canon Powershot, the Cowan iAudio X5L and the Logitech MX1000.

I can personally testify that they have tips for the Nintendo DS and DS-Lite, and I've used this system extensively (except for laptops).

Not really the cheapest option, but probably the one easiest on the sanity.

You'll probably need to get two charger systems:

1. For the laptop (due to higher power requirements).
2. For everything else.

Check with the company— they'll be able to tell you what you should need.

Radio Shack also sells these, but I've never seen them carry the heavy-duty ones (the ones needed for laptops and other high-power devices).

They also have options to allow charging of multiple devices off of a single charger, but I've never messed with those so I don't know how well they work.