Okay ... you have roughly (give or take) $1000 to $1500 and some decisions to make. One new toy ... and that's all!

Choosing from the following:

LENS: SIGMA 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens

FLASH: Metz mecablitz 76

TELESCOPE: Celestron NexStar 8SE telescope w/ astrophotography accessories & optics

NEW SONY CAMERA BODY: A850 (A700 replacement)

Oh where oh where does the money go?