The Leica camera + lens specials were extended until June 3oth – you can still get a mail-in rebate when you buy selected Leica M cameras together with a new M lens (see rebate form). Check out the details at B&H by clicking the “Conditional Rebates link“.
If you are planning to make a purchase, I would highly recommend to first call PopFlash for a good surprise… tell them LeicaRumors sent you 🙂