Hard drive speed - Serial ATA Drive vs Solid State Drive

I am thinking about buying a Mac Book Pro

http://store.apple.com/uk/configure/MC373B/A?mco=MTc0Njg5ODg

My question:

Which is quicker? A Serial ATA Drive @ 7200 rpm or a Solid State Drive? Any idea's what the speed of a Solid State Drive will be?

Any other thought's would be appreciated too.
petewinterAsked:
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Dr. KlahnConnect With a Mentor Principal Software EngineerCommented:
The solid state drive will be much faster, but if it is written to frequently it will also have a relatively short lifetime compared to a hard drive.  Writing to flash memory is destructive, so the more it is written to, the shorter its life becomes.

Due to the wear leveling algorithms, when an SSD goes bad, it tends to go bad all at once.  This is unlike the appearance of bad blocks on a hard drive, which appear one at a time and randomly located.

There are reports of heat issues with some SSDs.
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petewinterAuthor Commented:
Thanks for the advice.
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