I like Haikus, but I think one per non-RP post would start to get old, both for you and for others, especially if you end up being relatively active outside of RP. I'd go for changing up your signature every so often, but it's up to you.
Indeed, why didn't you watch 1080 ponies when you got it? Seems pretty silly to me that you'd do anything like play video games when you have that many ponies to watch.