(djm34 here...)
The main difference between the algo of ethereum and other mem hard algo, is that you can't rescale mem usage as it always requires the full dag file to run (ie 1.2Gb or so of vram with with random access over the full dag file)
Meaning you can't really improve passed what has already been done... (yeah, I tried...).
what happened to your account? O_o
I am at another computer and I don't know the password of my main account...
(could be useful, I didn't have yet a sockpuppet account

woohoo I'll be able to troll now...

)