Indeed those were good times mate. I remember having LAN parties and playing Counter Strike for hours in computer lab of our school with my friends. Felt nostalgic a little bit :).
My advice will be either Guild Wars (not Guild Wars 2) or Age of Conan. I played both of them quite some time and had real fun with them. AOC had a really cool RP community in Aquilonia server and I had so many cool memories there. Even though Aquilonia doesn't exist anymore, the game is f2p and you could at least give a…