I asked about getting the cargo net / divider, and was quoted $249, plus about a 2 week delivery time or $50 to expedite to < 1 week from France. Instead of that, I went to Target and got a plastic storage container for $5.49 that stays in place just fine. If it slides, I can add that anti-slip rubber mat stuff and it won't slide anymore. I'll put the remaining $243 into something like a year's supply of gas.
If you're willing to spend that much on what's essentially a net and maybe a rollout cover... that's your choice. But the alarm, tachometer and even upgraded paint colors cost less. It's out of proportion, in my opinion.