I can think of no occasion when I've wished I had a diff lock on my 4motion, but every dark winter evening I wish I had LED lights instead of H4 candles. That's the benefit of hindsight! And a load of threads on the subject show I'm not alone.
It's about priorities, unless you have deep enough pockets to have it all.
It's about priorities, unless you have deep enough pockets to have it all.