The first QDKs v4 for MSP430 are available for download from www.quantum-leaps.com/msp430/. The QDKs are for the latest IAR EW430 v4.10A development toolset.
The QDK-C/MSP430-IAR and QDK-C++/MSP430-IAR have been tested with the eZ430-RF2500 USB Stick from TI (MSP430F2274 device with 1KB of RAM and 32KB of ROM).
The QDK-nano v4 for MSP430 is part of the standard QP-nano distribution. The QDK-nano has been tested with the eZ430-F2013 USB Stick from TI (MSP430F2013 device with 128B of RAM and 2KB of ROM).
QDKs for MSP430 with the new Code Composer Essentials v3.0 are also planned.