The Nexen Aria AH7's arrived last week and I just finished installing them using the cheapo HF manual tire changer and their bubble level balancer. No problems at all but, I'm not crazy about the tire bar that comes with the HF changer. It did the job but there are better ones out there. The balancer seemed to work just fine -actually much better than I thought it would. We pre-checked the wheels w/o the tires, marked the heavy side and mounted the yellow dot on the heavy side of the wheel. Two of the wheels required no balancing and the other two needed 1/2 and 3/4 oz respectively.
The test drive was great. The tires feel great, handle well and ride quiet. There was absolutely no vibration at any speed.
If you want something done right, do it yourself. The last 2-3 times we purchased tires locally, the shop botched the job. Sadly, this cheapo tire changer only works on steel rims or junky aluminium wheels that are already dinged-up. If I can find a good quality tire bar with rollers instead of contact friction, I'll attempt to use it on my cars with nicer wheels.
Anyhow, first impression of the tires is very good. It was fun showing #2 son how to mount/balance tires on an old fashioned tire changer. It took 2 hours start to finish but, at least we didn't spend $130 to have someone screw it up.
Ray