Reaching brain capacity.

This problem was already addressed by Adam Savage in a Curiosity special named "can we live forever?" and it portrayed Adam as becoming immortal through science and technology,and it also addressed your question of memory capacity, by installing an extra electronic memory dump, seriously, watch this episode of curiosity, it is the sh*t! It even shows him growing back a missing arm by letting it rest in a vat of amniotic fluid with stem cells primed for growing in to arm cellls, to ultimately having whole spare bodies to use on different days like you would change your clothes, by transferring a holographic V.R. 'ish kind of version of your brain/stem/spinal chord in to the other vessels....here is the linky...
www.youtube.com...

ENJOY!!!

(p.s. I dont know why the video is not embedding, so I provided a direct link as well, PEACE!!)

I dunno.... I want to die of old age... in THIS century