I want all those except the Form3. But I only have the BTC at this stage which is a YUMMMMY toy. It's 100% waterproof and I haven't had any issues at all submerging it or being in the shower. I find it gives me the longest climax ever. The only issue I have with the lock of it is, when I orgasm I tend to left my legs and my thigh could unlock it.
I also just got (a week ago) the Legamento. I LOVE IT!!!!!! I think Im going to need a new one soon cause Im abusing it so much.
I find I can orgasm more and quicker with this than the BTC - just depends on what kind of orgasm you're looking for. I do love the more direct shape of the numbs and the toy sits comfortably in my hand. Sometimes I find the BTC makes my hand a little cramped due to the shape of holding it - but it depends on how long you intend to use it eas time. And the Legamento fits my body shape better.
The Legamento is also 100% waterproof. I test all my waterproof toys out (submerged and in the shower) so I have proof to write in my reviews so others know for sure. The Legamento comes in an awesome jewellery type box if packaging helps seal a toy deal for you. Legamento also has more 2 more patterns then the BTC if you like patterned vibrations. I personally prefer the constant ones cause a lot of the time the patterns put me off the orgasm but I do use them sometimes and it's nice knowing they are they when I want them.
BTC is more quiet than Legamento but neither will be heard behind a closed door.
Unfortunately neither are rechargeable. I use rechargeable batteries so I don't worry so much about that. The batteries in the Legamento last longer than the BTC do. With all the abuse, Im still on the same batteries that came with the Legamento (they are still going strong - no drop in power at all) and I NEVER take batteries out of my toys - Im lazy...lol.
I've heard mixed feelings about the We-Vibe2 so I have put that one on hold for now. And the concern I have with Siri is that it may not be easy to hold onto once things just getting messy cause it looks so smooth.
Im hoping to get the LayaSpot or Bcurious along with my SaSi at christmas time.
Good luck with your decision.