Currently contemplating ordering an Ainol Novo 10 Hero... I had a Novo 7 Advanced, just sold it. The aftermarket support of the Novo 7 Advanced was very big at the time though, the Slatedroid forums were overflowing with custom roms and stuff, and I put on the latest version of the Gingerbread mod by feyiu before I sold it (Just last night on ebay!) and it got me thinking. I might just get the Hero, I hear the quad core ones might not have great quad core chips, and less efficient graphics chips. I have no desire for games, I just want to use it as a digital sheet music reader with MobileSheets.
Also, ainolstore.com seems to be their actual official shop site now, and the prices are good. They have a fourm now too, so hopefully over time support will increase for the tablets. Some downsides I have heard from reading though, you can't charge Novo 10 Hero through USB, because of the way they have wired up two batteries in series.