SOTN is the best in the series, so you picked a good one to start with.
The sad part? You will be disappointed in the rest of them, as you are playing the best the series has to offer.
The other ones are good as well (well, for the most part) but they are a step down from SOTN.
“Anna, my strong, terrifying Anna.” -Cas
"You lack the requisite spine and testicular fortitude to study under me" -Elodin