I think you should consider Kenne Bell. I think the do the nicest job. Their kit comes with new injectors and doesn't add a 9th injector into the dry manifold to add fuel like so many others. They reprogram you PCM rather than piggy-backing one onto your existing one. They also have a 'valet' setting where you can lock out the supercharger if someone else drives your car.
www.kennebell.net
Read their FAQs for lots of good answers to your questions.