Lenovo A820 is dual SIM and is still available at Amazon, eBay and other places.
Quad Core 1.2GHz, 4.1 Jelly Bean, 4.5" IPS QHD screen, 1GB RAM, 4GB ROM, microSD card slot, 3G WCDMA
etotalk.com has a special offer at $120 plus shipping; reduced from $230.
I ordered one on couple of days ago. I am in the UK, so one of the extras I asked is the Etotalk MOD ROM for $5
Unlocked and Rooted, it includes Multi Language OS, Google Play Store. It will also delete all non-useful Chinese apps.
I don't know what CM is. Will that give me problems?