I don't know what your budget is but if you plan on keeping the car for a long time and use it for lots of daily driving with some weekend racing.... you might consider
https://986forum.com/forums/ccwheel.com they have an 18" corsair that is light at 21Lbs with that type of BBS design. But here's the kicker its a
forged wheel for well under the usual $4K price tag for this type of wheel.
you could spend $1500-$2000 on a set of cast alloys that will probably dent at least once on each wheel.