SPF/ERA vs...say, Team-C

[tddnepa]

Hi...this is a general question, and if it's a stupid one, please indulge the new cobra-idiot...i'm trying to get better.

i've been doing my homework, and looked at a bunch of different manufacturers for my first cobra. I'd be looking for a turnkey car since i'm a computer programmer by trade with a one bay garage and a build project just isn't in the cards for me now. I've turned a wrench or two in my day, but I know my limits.

anyway, i started out with the idea of a csx4000, but i'm alittle spooked about the vapor-ware aspect of them (there ain't none around to touch), and i was very impressed with a visit i made to the smake pit to see the SPFs. also going to visit ERA upin CT next week.

my question is this: Team-C offers a turnkey-minus, and i've also seen backdrafts offered. The team-c guys can get me a car witha 420 for about 43-45k all done. the backdrafts look to be around the same. the spf is over 10K more than that, all wrapped up. Are SPFs THAT much better? i mean, what am i really buying with the extra money?

i can swing the cost of it (my budget starts to choke around 65...a little light for a finished CSX from what i can see, but right in there for an SPF pretty nicely set up), but if I'd be happy with a car thats a lot less...well, you see my point.

any thoughts would be appreciated. i know my way around cars generally, but i don't know if i know enough to simply "spot" where that extra money is going...