Yep, XaAES is as good as it get for free AES's
Its improving in leaps and bounds. And the best thing is
if you find somthing wrong with it, just download the source
and sort it out. How cool is that? ;P
Ive tried N.AES and it is quicker and more stable
but i think you need to accelerate your falcon to get
the most out of multitasking anyway.