Okay...I'll spill the beans on this. Naturally all recommendations are subject to change as technology improves and my interests become more streamlined. Nobody should consider this to be worth any more than two cents. These recommendations would follow my interest in nature, landscapes and wildlife. Sports and wedding/ portrait photographers may want to add additional fast f/2.8 lenses or other lenses that allow superb control of DOF. Do note that I am not including accessories such as polarizers and other filters in the lists.
That said, landscape photographers will probably benefit from having a circular polarizer and a two-stop ND graduate in their setup.
Poor man's setup (assuming very tight budget):
-Fuji F30
Poor man's setup (assuming a DSLR system is still within reach):
-Canon 350D
-Canon 18-55mm kit lens
-Sigma 70-300mm f/4-5.6 APO DG Macro
Middle-of-the-road setup:
-Canon 30D
-Canon 17-55mm f/2.8 IS
-Canon 70-300mm f/4-5.6L IS
-Canon 550ex
The whole works (but within reasonable limits):
-Canon 1Ds Mk I/ Canon 5D
-Canon 17-40mm f/4L
-Canon 24-105mm f/4L IS
-Canon 100-400mm f/4.5-5.6L IS
-Good macro lens of focal length 100mm or more (eg. Sigma 105mm f/2.8)
-Canon 580ex MkII
The whole works (dream setup):
-Canon 1Ds Mk II or 1D Mk III
-Canon 17-40mm f/4L
-Canon 24-105mm f/4L IS
-Canon 70-200mm f/4L IS
-Canon 500mm f/4L IS
-Canon 180mm f/3.5L Macro
-Canon 580ex Mk II
-1.4X Teleconverter