Very-they are rated to 130mph.
Yes, Toyo are good.
Yes they are very good tires!
Yes, Sumitomo tires are good.
Yes they are good tires.
Yes, Achilles tires are good.
Uniroyal have an excellent reputation as good tires.
Prime Well tires are considered to be a decent and good brand of tires. They are a medium grade brand of tires.
Yes, they make excellent tires.
yes there made by cooper tires
Hankook in general are very good tires.
Cheap tires that are good tires is a misnomer. You get what you pay for. But you can get inexpensive tires that are pretty good tires. Walmart & Sam's Club has some good bargains at times on good tires. Watch for sales on tires in your area. Pep Boys also has good sale prices. Tire Rack is a good source of reviews on tires. There are a few brands that you can look for Uniroyal, Hankook, Kelly, Starfire, Kumho to name a few are brands that may not be the cheapest out there have developed a reputation for quality without being too expensive
Bridgestone make good tires and at sears or Wal-Mart they can be found at a good price. Cooper Tires are also good tires you can find at a cheap price.