re: Which Dremel Tool to get?

I have both the corded and 12V cordless and the cordless gets way more use. Unless you are spending a lot of time in one sitting (which case a proper hobby tool station is better than any Dremel) the cordless is the way to go for most tasks. The 12V gives up nothing in power and the battery charge will last plenty long as long as you aren't some ham-fisted newb with it. Great not having to deal with a cord and extention, especially for quick tasks where you only need it for a minute or two.