I just don't do sears - have not in many years - but that's another long story.
The grizzly just looks too light duty to me.
I like the Porter Cable.
It's cheaper at Amazon - free shipping
3/4 HP induction moter
Cast Iron base
There may be more, I just didn't dig all that deeply
I have a big 6x48 with 12" disk from Harbor freight. I use it a LOT, but just the belt part.
I also have a Craftsman 2" wide belt with 6" disk. I use it a LOT, but again just the belt. I bought it in a yard sale for $35