Should i update to 12.10 tomorrow?

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http://askubuntu.com – After i upgraded from 10.04 to 12.04 and got Unity my computer got pretty much slown down because i don't really have a good computer. I only have 3GB(which i upgraded myself) ram and 2,13GHz single core. Would 12.10 be faster if i upgrade tomorrow? (HowTos)