[PLUG] 64-bit Linux - Is it worth the switch ?

[Mandar Vaze]

Came across this article about "Go 64-bit with Windows 7" : 
http://i.gizmodo.com/5133771/why-you-should-go-64+bit-with-windows-7

The article above says "if you have less than 4GB RAM, stay 32-bit", 
does it hold true for Linux as well ?

I would like to read about first hand experience of people using 64-bit 
Linux, is it any better compared to 32-bit ?
Is there a reason to switch to 64-bit (especially for home 
use/non-server use) ?
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Mandar D Vaze
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