as far as recommendations, i"ve used a couple of poulans e.g. woodshark and stihl ms140 & 029 & 028. The 029 is my heaviest. My stihl 029 is set up with an aggressive chain - no kickback protection. The 029 can be PITA to crank up, but once it gets going, it does the job with ease. The 028 was my favorite - till a repairman "lost" it.
Contrary to public opinion, poulans are a good saw and I've gotten over ten years use out of a couple. They can handle a lot of abuse - except being run over by a tractor. I have cut down and [up] some big logs with poulans, but generally prefer them for limbing. It's far easier to find a stihl dealer who can fix their own brand. ACE hardware stores will handle poulans. Unless you are planning on cutting big wood, a 16" bar is adequate for most jobs. Have not used any of the new electric models. I don't wear chaps, tho have been cut a couple of times. I make it a point of wearing ear protection. Have only been wearing eye protection last couple of years; although not every time I use a saw. I've been selling firewood since 1975, from trees taken off my own farm.
Carbide tipped chains aren't worth the cost, unless you are cutting extra dirty logs or dried hickory/locust. A local dealer said it would cost me twice the [cost of a new chain] to sharpen a carbide-tipped chain. Better to just buy a new chain.
When sharpening a chain's teeth, be sure to take down the "rakers" when needed.