How Long for a Newbie to Stitch a Photo

I have a Nikon D40x and a Tripod, looking to buy the Panoweaver Software, and a Fisheye Lens to take 360 degree photographs... I've never done this before, and have basic photographing skills. How long does it take to stitch together a 360 Photograph? How about taking the pictures? Figure you need 5-6 shots to get everything... Any help would be greatly appreciated!!

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What lens and rotor head are you planning to purchase?
As for how long to stitch, just a matter of a couple minutes at most depending on your computer.

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Nikon D300, D3s, Nikon 10.5 lens, RingT105N+Footplate+MrotatorTCPs, Giottos MT9261 Tripod, Manfrotto 410 Jr geared head.

If you know the "secret" then everyday is a good day!