Small routers just can't do the work of a regular sized one. They do rest on the work so shouldn't be a burden on your left shoulder. I bought a Skil 1820 after reading a comparison review of routers. It got top rating in all features including comfort, ergonomics, etc. Downside is it doesn't have the bearings that expensive models have and won't last as many years under heavy use. I bought mine used from Ebay for $25.00, including shipping and it is going strong five years later, with occasional use. New they are only about $100.00.
"Folks is funny critters."
Think for yourselves and let others enjoy the privilege to do so, too. ~Voltaire