Welcome back dude! :-) You might find User:Voidious/History/Innovations since 2005 an interesting recap of some of the biggest advancements of the last few years. For all the talk of "no breakthroughs since Wave Surfing", bots have continued to get a heck of a lot stronger. DrussGT may excel in crushing the weak, but he's just as scary head to head.
Good luck with AgentSmith!