Sell it all and re buy new stuff when you're ready. Technology changes, especially with lights. Why not start fresh when you're ready to dive back in? Plus you won't be lugging all that stuff around and storing it.
If you're really undecided, keep one complete setup that your wife is able to maintain when you're away.
If you're really undecided, keep one complete setup that your wife is able to maintain when you're away.