Hey fellas,been "lurking" on this site for alittle while,got a question for you dolmar guys, whats the pro's/con's between these two models, looked on the dolmar site, the only diff. that i could see was a few ounce in weight and about 50.00 more at the dealers for the 421..the dealer didn't really have an anwer for me{dealer's helper}....anyhow from what iv'e read on this site so far has helped alot, joining the wood burning crowd here soon...thanks