Ya, I'd take the Sassy Grass one Dave's selling, but the blue one is cool in that it's a rubber bumper car (like mine!). ALthough it should have a painted grille. Black billboard and a rear wing would do it wonders.
Don't think matchin #s is all that big a deal on 340/383 cars IMHO if you already have a lot of other documentation to back it up (like original FT/BS). Now for a four-speed car, I think it helps to have a matching tranny as it does prove more that it's a true- four speed car, which is worth at least $10k more (on hardtops) than autos.