This is the second major Grizzly tool I have bought and I am very happy with both. The first was an 8" spiral head jointer G0858. Both machines came very well crated from the factory, neither required any fine adjustments before use. I have used the jointer a lot now and am very pleased with the results from it. This mortiser is my first one and while I've made several practice joints with it, I've yet to complete a big project, so can only say the results with this machine meet my expectations completely. With this machine, I also bought a set of Premium Mortising Chisels from Japan, T10018 and similar numbers. I have only used the 3/8" set so far, but it has worked very well in walnut and elm and came from the factory well sharpened.
Two points to make: First, while Grizzly shipping is great with UPS Freight and parcel service, showing up on time and in fine shape, back-orders can take time. The chisels and original mortiser I ordered took an extra 3 months to show up. Since I was in no hurry, that worked out as this mortiser was in stock and went on sale, letting me change my order to a better machine for only a bit more money. The chisels were worth the wait.
Second, a suggestion for assembling big, top-heavy machines. While the manual calls for having a few guys to lift the 300# machine on top of the base cabinet, I am a one-man shop in the country and wanted to avoid imposing on a few friends to make a long drive. First, I considered assembling it outside, using my tractor to lift it before using a hand truck to move it inside. That was still going to be very awkward and unstable. In the end, I remembered that I had an engine hoist in the barn from pulling a pickup truck engine and using a short chain, used that hoist to lift the machine and position it on the cabinet. The hoist could be assembled in the shop avoiding door issues and safely did the job. Even if you don't own one, I'd say renting one for a half day beats trying to man-handle a heavy, awkward piece of equipment with a couple buddies.