Hi wysiwig --
CR requires a subscription in order to access their online product evaluations. It's only six bucks for a month's worth of access, but I've been-there-done-that twice already (for other products) and decided not to do it again. Except for car evaluations, I'm not so impressed that they are worth it. The user-evaluations at Amazon.com were very helpful, as were comments at the KA forum.
Anyway, my KFP720 unit is plenty powerful, believe me. The toughest job I've given it so far is mixing flour, butter, and sugar into a crumble topping, and it did it effortlessly (and with great results). There is a button for continuous control operation, but almost always I use the pulse control, so as not to over-process. I think the motor can be pushed well beyond whatever I'm likely to ask of it.
The accessories for the unit are listed at the online store -- left column at the top, "Attachments and Accessories". There are no slicer-shredder discs other than the one provided, which is OK with me, but others have expressed disappointment.
I don't know, if they came up with another disc option, I might go for it, but then again, maybe not. As it is, the 2mm slicer produces wafer thin slices that are ideal for pizza toppings, and I don't know what else (potato chips?). But really, the extra-thin slices are the most difficult to get evenly with a chef's knife; otherwise, the knife option is the more convenient one for me anyway. I don't need a power slicer, really, for general purposes.
There is a juice-press accessory available, but at 40 bucks it is pricey, and I doubt I'd ever make much use of it in any case.
Bottom line: I'm pleased with the unit, expect it to last longer than I do
. No reservations at all about recommending it as a mid-size unit.