On the floor of Macworld 2011 we counted 61 different skins, stands and cases

The iPad Tech-Pack. Photo: Assero Industries

One thing you can count on at any tech trade show is an army of entrepreneurs hawking accessories for whatever the hot product happens to be that year.

For the past few Macworlds -- the annual gathering for third-party Apple vendors that Apple (AAPL) no longer deigns to attend -- the accessory du jour was the iPhone case.

This year the hot new product is the iPad, and the ground-floor exhibition space of San Fransicso's Moscone West convention center was chock-a-block with iPad skins, cases, stands and fold-out trays.

We walked the floor Thursday morning and counted 61 different products.

Among the highlights:

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