I have few positive PvP memories of BC. They are drowned out by the absolute horror of SL/SL locks and Rdruid/war in every 2v2 game.
Oh and mana burn. Being hit 3 times by mana burn, going oom and then having your seal dispelled so you couldn't even afford to put on seal of wisdom. Then having no options but to vainly autoattack things until you died. Or Viper's Sting, either of those was a complete nightmare.
The only really good times I had in BC was playing Shockadin in 2.4.3 - now THAT was fun.
Love the Kamelot song in the first video though, my favourite band for over ten years now.