Pretty much exactly what I said above You just need lots of RAM so you can assign big piles of it to your virtual machines and eventually make use of such a LiveCD feature like loading it entirely in RAM for good performance.

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Actually, (I think) I've discovered 2 'more essential' things missing from my 2GB ram Atom N270 2008 XP netbook that slows down VBoxes horrifically, worse than giving them 512-768MB 'Vram': the lack of VT-x, and 3d video acceleration but I'm not sure how 3d-accel works; all I know is that non-minimal GUIs (WM/DE) are UNuse-ably slow.

I vaguely remember running a max-512MB-Vram VBox on a gross-1GB-ram junk Z3735G tablet (has VT-x). That worked much better, but the lack of keyboard and touchscreen 'issues', was the deal-breaker there, for me.

And for no-GUI only-CLI playing, most all distros are fine in 32bitXPhost max512MB 'Vram' VBoxes. But kernel makes are pretty slow on my N270: maybe no-VT-x is the cause, Idk. (I didn't try make on Win8.1 1GBram/16GBdisk Z3735G tablet 512MB 'Vram' VBox)

Indeed, when it's available, VMs run much smoother.

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