Hi,
I too went with a Kingston SSD (120GB), and was using it specifically on an old Dell Dimension E520 desktop PC (c.2007) for Win10 Preview testing. It worked great, and I used it for a Win10 presentation at my local Computer Club. The drive worked great for me with no compatibility issues whatsoever. The free Acronis image cloning software did not work on the Preview versions of Win10, but Acronis & Kingston worked this out, and I've not used it on Win10 RTM(July 29th release) to successfully clone and restore a full Win10 image both on the old Dell desktop PC but also on my Sony Vaio laptop (2008)!! The software works perfectly now!
This should give you some confidence; Mike and a few other guys I know have also had success with Kingston, Samsung (Mike), and Intel SSDs with Win10 RTM. I don't know about some of the other SSD manufacturers compatibilities with Win10, as we haven't tested them; and there are hundreds of brands now. I can tell you that Kingston, Samsung, and Intel, all perform top-notch testing on their products and always have. I've read of other folks buying the discount SSDs who had lots of problems with the Win10 preview versions, and in every instance when we recommended that they change to one of the 3 brands above, their problems were soon solved! You get what you pay for.
Best of luck,
<<<BIGBEARJEDI>>>