Canon has introduced a new EOS 50D Instant Rebate.
The rebate amount is $100 for the body (or the body with the EF 28-135mm IS lens) or $250 if the Canon EF 70-300mm f/4-5.6 IS USM Lens
is purchased at the same time. The rebate is in effect from Apr 4 through Jun 5, 2010.
The Canon EOS 50D Instant Rebate Form
is available for download.
Here is the 50D at: B&H