Supercharger or turbo on s50/s52 swap

[tiKid]

Well I plan on swapping an s50 or s52 whenever I find a wrecked m3 to get all the parts. Once I swap it I really want to have a turbo/supercharger but I'm stuck between the two. Which one is going to give me the best perf increase? I was looking at this turbo kit http://www.cartech.net/bmwm3turbo.htm and the active autowerke S/C kit. Any input?

Thanks

[tiFreak]

turbo has higher gains but they're mostly at the top end, supercharger has less gains but it's a more constant power