I'd avoid the reo like the plague.I had one and melted the button on it after 2 days use.They offered to fix it for me for a mere $20 more.I fixed it myself and traded away the next day.If you're strapped for cash,build one(pictured above)should cost you about $10 and takes 1/2 hour to build.It will also teach you how badly people are getting suckered in paying $200 for a battery holder.
That is just your personal opinion.No one is suckered into buying any mod and it isn't nice to say so.
Thankfully my experience is 100% positive with all of my REOs mods. And I have a Vmod also.
ymmv