I came from the Senco Fusion which I owned for quite a long time with no problems. Battery was going out after a few years and a colleague bought it from me.
I got me a Ryobi based on research and I have found it to be a adequate. It is a pretty good and reasonable light nailer. It can struggle a little with the longest nails at times though if setting at max depth and the +- dial on the back to max it is usually fine.
All other lengths can be dialed in to a consistent depth and though I bought it as a stop gap solution it has stayed in the line up on its own merit. With the smaller charger everything fits in a SYS II, charger, nailer, battery and nails.
Will look out for the pinner when it comes - but it had better be both small and cheap.
I have the Makita pinner which is pretty good. The new version which is not much different from the old one. But it is nice.
I ended up having to buy a Makita stapler for a project last week so it makes sense for me to stick with the Makita pinner. It turned out the stapler is very powerful and runs on standard Rapid staples with zero issues and since I have a couple of thousand of them I am happy with that. The Rapid 7.2V stapler I bought for a project involving a lot of fabric to be stapled died on me after two days... ...so I picked up the Makita on sale, still bloody expensive. It is a litte heavy for a stapler but it is very powerful and does not require pressing hard into the material.
Lack of a LED is a slight problem though: I was stapling 35 metres of black fabric in a basement with black roof and panel and a LED would have been bliss...
But I digress. To finish it off I tried a Hitachi 18V nailer after getting less than spectacular reports on Milwaukee and Makita 18V nailers. The Hitachi is truly awesome as a nailer! Easily the best 18V I have tried.
But, it is too heavy for over head use and a little too heavy overall. It does not fit into a SYS either, unless it is a SYS IV where it fits at an angle. In comparison the Senco Fusion is a featherweight and the Ryobi is a comfortable size and weight.
Keeping my Ryobi, sometimes good enough is good enough and I have a compressor kit should I need any more than that.