Seriously, I was just raving with my friend the other day about how AMAZING the character designs in Dota2 are. I don't care how good the gameplay is, I would play the game just for the amazing characters.
It's awesome that tidehunter can call forth a raging storm of tentacles ... Fluff-wise, I think Pudge and Undying would make a great couple: Undying is always hungry and Pudge always has tasty meat ready for eating
I'm sorry to hear that Don't worry though, DotA has been around for a long time, and will still be very popular in the future. Look into it when you can get a better computer, even if it's years from now.