Oh silly master, your unity is no match for my hardened power armor and turbo plasma rifle.

ive never played the first 2 fallouts, all i know is they have different playstyle then 3, are they any good?

They're difficult, and I heartily suggest you find an online version of the Vault Dweller's Survival Guide (for the first games, not the Fallout 3 version), as I spent an hour trying to figure out how to enter a town. After that, it's a lot of puzzles, and the combat is more turn-based, using Action Points like the VATS system.

is it true one of them had a talking deathclaw?

The second one, I believe, had it. And it wasn't just one, though one was a companion, I think. There was an entire vault inhabited by these intelligent Deathclaws, living alongside humans in a peaceful co-existance.