I'll put the best first...

CCR1036-8G-2S+ - 10Gigabit CCR, 2x SFP+, 8x Gigabit Ethernet, 36 Core Tilera, 16GB RAM, 28Gbit throughput, 42 Million PPS, Available June
CRS - Cloud Router Switch, RouterBoard 9xx series device with 24 switched Gigabit ports (switch chip), runs RouterOS, 1x SFP. Available in IN (desktop) and RM (Rackmount) models. Also a wireless model is available. Available May
RB911G - Compact CPE/AP, Gigabit Ethernet, Metal Shielded RJ45, Integrated 2Ghz OR 5Ghz radio, 600Mhz Atheros CPU. Available April
RB912G - Compact CPE/AP, Gigabit Ethernet, Metal Shielded RJ45, Integrated 2Ghz OR 5Ghz radio, Mini PCI-e, SIM slot, 600Mhz Atheros CPU. Available April
RB912G Outdoor - The above but in a really nice outdoor case, SMA connectors soldered to board, pole or DIN rail mount. Available April
Sextant G - Sextant with RB911G inside. Available April
CCR Extended Ram - Normal CCR with more RAM (16GB).
R11E-2HND - 2Ghz Mini PCI-e, 800mw, u-fl connectors
R11E-HPND - 2Ghz or 5Ghz models, 1watt, MMCX connectors, nice big heatsink
RB14EU - PCI-e to 4x Mini PCI-e converter. Allows use of WiFi/3G cards in a x86 PC. has USB passthrough to allow 3G to work. Available June
SXTHG - High Gain SXT, 17.4dB antenna, more directional, 1 watt, Gigabit ethernet (metal shield), 5Ghz. Available May
SXTSA - Sector Antenna SXT, 90degree sector antenna in standard SXT housing. Available May
Groove52 - Dual-band Groove with new 600Mhz Atheros CPU. Available April.
Update: Official slides http://www.mikrotik.com/download/share/hr13.pdf