I started playing during BC, after some decision I finally chose to play a priest in order to help out my RL friends who played. After getting to 70, I did tons of battlegrounds, getting healing gear and going discipline. I used to run around with my rogue and shaman friends, and after a while we decided to make an arena team. My very first arena match I had a bunch of blues and those Pauldrons of the Solace-Giver from Curator. I was almost instantly WTF 3K VENGEFUL HUNTER AXE MELEE CRIT DEAD but I kept on trying. I got a full set of PVP gear and after a month or two had enough points for a few vengeful pieces (starting playing during s2). My rogue friend had a bunch of pvp gear as well and we started doing disc-rogue 2's. Shit was so cash, I kept him alive and mana burned everything that had a blue bar. The thing I miss most about BC arenas (and to an extent, BGs) is the long fights at higher ratings. During season three within a few hours in one night we went from new 1500 team to 1750, with a 32 game winning streak. I remember particularly well a few Marks/resto matches that we had that took over 15 minutes each. I miss having to kite around hunter pets and pillar hump, I miss having to mana burn druids and lol as they innervate and I instantly dispel it. I miss matches having to take a while rather than getting WTFOMGBURSTLOLUDED. The best arena match I ever played was against a marks/resto comp and while being constantly viper stung, I kited the hunter's pet with great skill, hopping off the bridge while avoiding his arrows. After that long and arduous match I felt very good, knowing that I had to work really hard for that victory. That is what I miss. I do not arena now with the fervor that I once had, but I do know that it is indeed a whole different experience. Hopefully with the coming of Cata, things will go back the way they once were. I am sure I will get some flak about how I don't arena now and I have no idea how things work but I have talked to people and done some things and that is my two cents about it.
tldr; I miss BC arenas