Originally Posted by DiHydrogenMonOxide
An analogue infinitely variable switch will work just as well as a digital, and get the 400 series if you can afford it like has been said before.
Originally Posted by Jacka
Do you think it would be wiser to buy the base model and add bits that I'd need, or go for the deluxe version with every type of attachment available?
I'd guess the former, as I don't have many uses for the tool on an every day basis.