For reviews, best lens, accessories, tutorial DVD, and free videos on Nikon D90 read here

Nikon D90 is the first ever digital SLR with HD movie mode. In the previous post, the best lenses for Nikon D90 were selected: Nikon 18-200mm f/3.5-5.6 G ED-IF AF-S VR DX Zoom-Nikkor Lens

is a very good and convenient walk around lens. IF you prefer high end lenses: Nikkor 17-55mm f/2.8G AF-S is an excellent walk around lens or standard lens. Tokina AF 12-24mm f/4 AT-X Pro DX (IF) is a very good wide angle lens. Nikkor 70-200mm f/2.8 G ED VR is the prefect telephoto lens.

Here are the most essential accessories for Nikon D90:

• An extra battery Nikon EN-EL3e Rechargeable Li-Ion Battery or the best a multi-power battery pack MB-D80

• External flash: Nikon SB-600 Speedlight Flash

• Digital SLR bags: Nikon CF-D80 Semi-Soft Case. For people who prefer a backpack: Lowepro Slingshot 200 All Weather Backpack is a very good one. A good shoulder bag: Lowepro Rezo 170AW camera bag.

• Filters: circular polarizer is one of the most useful filters read here. For best polarizer filters, read here. For UV filters and where to buy, read here.

• SDHC/ SD Memory cards: San Disk, Kingston and Lexar are good brand to buy. You need two 8G cards so that you can record HD video.

• Tripod: Bogen Manfrotto 190XPROB and Bogen-Manfrotto 322RC2 ball head.

Both receive excellent reviews among users at amazon. I have a very similar tripod and this ball head. It is very nice, the only complain is that it is relatively heavy. It is not for hiking.

• Remote control cord: Wireless Remote Control ML-L3 or wired Nikon MC-DC2 Remote Cord.