I honestly think that historically at least the polka dots are worth way more than the green jersey. Sprinters already have more chances to win stuff than anybody else, and besides the importance of the maillot vert even to the people contending for it seems to fluctuate depending on how close they are to actually winning it (right, Cav?). I would take a single stage win at the Tour over the green jersey without a stage win anytime. The recognition from the green jersey comes from the fact that you have to be up there several days to win it, not from the points competition itself.
The Champs-Elysées sprint is a real "WGAF?" moment too. Don't think it's worth anything other than a bit of unofficial bragging rights. Certainly nothing compared to the most prestigious week-stage-races and non-monument Classics.
Notwithstanding that the prestige obviously varies wildly depending on the type of rider you are, because most riders aren't in the position to win all of the 10 races you name anyway. I find sprint races to be eminently forgettable and can't even tell you who won on the Champs Elysées last year, so I don't think anything that's a pure sprint without offering the challenge to the sprinters to make it to the end merits consideration. Out of races that the sprinters can and do win, nobody's mentioned Paris-Tours which is a much brighter spot on a sprinter's palmarès. Even the S**********s is a brighter spot on a sprinter's palmarès, although in that case the bright spot is the candle used in the satanic invocation rite. For stage races, the Itzulia often has one of the best fields, routes and competition levels, but for history probably the Tour de Suisse is highest, although terrible route design in recent years hurts it. Also no mention of Omloop, the season's traditional opener.