I find myself hard to stop the buying urge for Photographic Equipments...

...for that I need to list down the to buy list to see where is my limit:

1. Tokina 11-16mm f/2.8 lens. (need to order)
2. SB-900 Nikon dedicated flash. (released but not publicly available)
3. Vertical Grip MB-D10 Battery Pack. (ready stock)
4. Battery EN-EL4a. (for the Vertical Grip, ready stock)
5. A good tripod. (researching)
6. A good monopod. (researching)
7. A spare Scandisk 4 GB Compact Flash card. (ready stock)
8. A simple studio lighting set-up. (The umbrella, researching)
9.