Well, one thing it has a fuse as the top contact, so if anything goes wrong the fuse will pop and no go, youre safe.
I have quite a few GUS's so Im kinda fond of them. Great device and very well made. I should warn you, you might end up with a few more than one if you take the plunge.
THe modder is wonderful and he stands behind his devices, they offer free shipping and it gets to you pretty fast. He is ALWAYS available to help, either here as a PM or on the GUS mods FB page and of course thru his site. I wont go into any more as it might make me look like total "fan-girl" which I kinda am.
You cant go wrong with a GUS or GP device. TOp quality.
You can go with a Kick, but I prefer them as is. Kicks just make for an "iffy" experience. Ive only had one device work great with a kick and it was designed specifically for use with a kick.
You can go from the resistance you stated, down to .5 as long as you understand battery safety and are willing to change out often.
Its an amazing mech, big contacts, great switch. I think for the price you cant get much better. There are other mechs that are as nice, but you would be looking at 120 plus. All the parts are replaceable and in stock, Id order a few fuses to have on hand if you're kinda clutsy like me or if you are just learning how to rebuild.