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SLC SSD drives cost a lot more than MLC SSD drives. Are there actual differences besides cost?

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SLC_versus_MLC on Wikipedia's SSD article:

Lower priced drives usually use multi-level cell (MLC) flash memory, which is slower and less reliable than single-level cell (SLC) flash memory. This can be mitigated by the internal design structure of the SSD, such as interleaving and more excess capacity for the wear-leveling algorithms to work with.

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+1 for a great link – Sam Post Mar 31 '10 at 13:02
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best to provide a quote or summary instead of just a link (tho do include the link so we can go read up for more details!) – quack quixote Mar 31 '10 at 13:30
quack- thx for clarifying and editing – twk Mar 31 '10 at 17:45
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