So you have already built a few exciting projects with a Raspberry Pi 2? You are going to be happy to know that Raspberry Pi 3 is now available with a 1.2 GHz 64-bit quad-core ARM Cortex-A53 CPU, integrated 802.11n wireless LAN, and Bluetooth 4.1. It is compatible with Raspberry Pi 1 and 2.
The processor is 33% better in clock speed than the previous version and up to 60% better in performance in 32-bit mode versus Raspberry Pi 2. Costs $35.