Dan´s Data has posted a review of the Celeron 600 Mhz. Here a clip:

The major issue when upgrading to a Celeron 2 is whether the thing´ll actually work in your computer. Essentially, if your computer works with a Coppermine P-III, it ought to work with a Celeron II. You need a motherboard that can deliver the low supply voltage these CPUs want - 1.6 volts, by default, for the Coppermine P-III, and only 1.5 volts for the Celeron 2. And you need a motherboard that won´t go bananas over the very high multipliers used by the Celeron 2s.

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