You sound to have a good collection. What else do you want to try?
I've got a mains powered wand but it isn't focussed enough for me - it is good for a back massage, but for that we tend to use our hands with oils or massage candles.
For me the essentials seem to be:
A powerful bullet. The best I've found was a Fifty Shades one, but that has been discontinued. The Desire bullet comes a good second. I use this alone, with other toys, and with my OH. The Manitrc one is also good, especially combined with a Mantric rabbit or g-spot vibe, but rather more gentle.
A glass or steel dildo - to use with the bullet. I like slimline, sculptural looking ones.
A classic vibrator and/or a g-spot vibe - again, to use with the bullet as well as externally.
A good lube - depending on the toy / session, either Sliquid Natural Gel or the Lovehoney Silicone lube.
Along with an assortment of lingerie, both romantic and rauchy, depending on our mood... :-)
I have a few other toys which don't do it on their own but are great for couples' play - and they look good: a pebble shaped vibe, a heart-shaped Fifty Shades vibe and a mini wand, and a cock ring.
I am a bit wary of rabbits, having collected a few (Desire, Fifty Shades, Mantric): I find it difficult tweak them to my own shape, and therefore a lot more bother than a bullet / dildo (with vibe?) combo.
I'd like to try a Womanizer type of toy, but only when the price drops!
So, that is my list of suggestions. I'm not interested in anal or BDSM - each to their own. I hope you find what you are looking for!