Here are my quick thoughts on the Pro accessories after a using the a few days. New Arc mouse - Just ok. I like that it is flat so I stores well in my bag. When it is flat, it automatically turns off. When you fold it down (or curve it) then it turns on. It is much better than the wedge mouse since it has two clickable buttons. I am a big gamer and the wedge mouse didn't allow for a right click and left click at the same time. This is necessary in games. The new arc mouse allows for it. I haven't gotten used to the feel of the arc mouse. It feels awkward. You have to hold it tight and then sometimes I still can't correctly click the mouse buttons. For gaming, it works but it's too light. I will play with it some more but I suspect I will return it and use a gaming Bluetooth mouse instead. Wireless keyboard attachment - I must admit that when I first saw this on the website as an accessory, I thought why in the world would you even want it? But now, I am converted. It works great. I had some initial problems getting it to detect but once it did, wow. I love this device. For those of us who are older, our near sight is failing. Having the keyboard connected to the SP can be challenging as the SP is right up to your face. Now I can detach the keyboard and move the SP back to my liking. This makes for a much more pleasant working/playing experience. Also, I can this would be great in a meeting/presentation. I don't need to sit right next to the overhead projector. Type 2 keyboard - I really like it. Typing on it feels natural and the keys are responsive. My typing speed is fast with it. I recall Mitchelvii commenting on MS not having a backlight on the new keyboards and thinking who needs that. Well he was right. Backlights on the keyboard make all the difference when typing in low light. Nice add MS. I don't know how I can go back now. Docking Station - I really like this. It's simple to use and hold the SP tightly. I wish it had more USB 3 slots vs USB 2 but I can live with that. I haven't tried all the ports or USB slots so I can attest to functionality yet. If the SP had a more powerful video card, I would definitely consider replacing it for my gaming rig. But, alas, being a gamer, I have to have my desktop. Touch 2 keyboard - I haven't used this yet. I'm not unboxing yet because they only had black at the MS Store and I wanted blue. Since they were willing to trade out my old Touch keyboard for a new one (plus $30), I opted to buy it and then wait for the blue one to come in. Then I will exchange it and do testing. All said, with the exception of the arc mouse, I'm very satisfied with the SP accessories. I'd like to hear what others think.