help very old acer

Hello All,

I have a old Acer a500 running android 3.0.1 that rooted and has custom roms on it also have Acer Recovery installer v3.03 and currently running cwm rev 1.7.3 by thor2002ro.
My question is can I load any new roms or do I need a need loader or something where should I start.
Thanks for any help.