Canon 70-200 F4L
Canon 2x Extender
Total: $1647 + Free shipping if you have amazon prime + no tax depending on where you live.
This is a very solid starter rig. If you really get into it and want to upgrade the glass will hold its value, cameras not so much depending on how long you hold on to it.
15 megapixel SLR @ 400mm f/5.6
Figure $75 for an 8GB CF card.
If you watch the used market great deals can be had and you could easily shave a few hundred bucks off the price.