If you really do not need the adjustability, then I would suggest a decent set of progressive wound lowering springs. The ride is just so much better compared to [sleeve] coilovers. But I am curious as to what coilovers you have. I've had my Skunkworks for over 2 years now and I've yet to hear them squeak. I have heard them clunk every now and then (back when my car was really low) but they don't do that now since I've raised the car back up.