Apps for G5 with Tiger?

I'll be getting my Power Mac G5 from the mail soon, and I was wondering which version of Skype would be compatible with a DC 2.3 GHz Power Mac G5 with 1GB Memory running Tiger? Would Skype v3.x be compatible or would I have to go even further?

Also, which browser works best for G5's?

Hrududu said:

Any particular reason you're only running Tiger and not Leopard? I ask because almost all current versions of things like Skype and web browsers are supporting Leopard at this time.

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I'll be running Tiger because that's what came with the Mac. I do not have any Leopard discs.