HexPack: Cities and Roads is the next pack. Further Hexpacks depend on how well the first two do, I believe. I'm hoping there'll be a lot more. Lakes and Rivers was awesome and really brought a new dimension to my group's games.
Here's a few other CGL products that tie into the Succesison Wars or pre-FCCW era if you're interested:
Print Products:TRO: 3039: replaced TRO: 3025 and 3026
TRO: 3050U: updates the fluff ot the Jihad and adds a lot of newtech variants, but still contains all the original Inner Sphere upgrades and Clan OmniMechs, as well as the mechs, vehicles, and fighters from TRO: 2750
TRO: 3075: Mostly jihad information, but it also contains an "age of war" section with stats for a number of early mech, vehicle, fighter, dropship, small craft and warship designs, as well as a rundown of the SLDF "Royal" Battlemechs, vehicles and fighters.
Historical: Operation Klondike: covers the SLDF Exodous from the Inner Sphere, colonisation of the Pentagon worlds and their civil war, the formation of the Clans and their return to the Pentagon. Also contains stats for a number of new Royal units.
Handbook: Major Periphery States: contains the background for the larger Periphery Nations up until 3067.
Starterbook: Sword and Dragon. Features a pair of raiding campaigns between Sorenson's Sabres and the Fox's Teets in the years before the Clan Invasion. It uses the Chaos Campaign system, as seen in Era Report: 3052
PDF ProductsHistorical Turning Points:
These PDFs give rundowns for new Chaos Campaign tracks to let you run games during a pivotal battle from BattleTech's history.
Historical Turning Point: Galtor (from the Galtor Campaign scenario Pack)
Historical Turning Point: Glengarry (from the novel Blood of Heroes and scenario pack Day of Heroes)
Historical Turning Point:misery (From the Novel Wolves on the Border)
Operational Turning Points:
The PDFs go larger than the Jihad/Historical Turning Points and allow players to run a full campaign based on a multi-world military action.
Operational Turning Points: Red Corsair (from the novel Malicious Intent)
Operational Turning Points: Death to mercenaries (the Dragoons/Kuritan battles from the 4th Succession War Atlas/Wolf's Dragoons sourcebook/4th succession war scenario pack/battlepack: 4th succession war)
Operational Turning Points: Falcon incursion (from the novel Grave Covenant and the Battle for Coventry scenario pack)
Experimental Technical Readout:
These PDFs are a collection of prototypes, custom units, failed test beds and other curiosities. most of them are set in the Jihad era, but XTO: Primitives volume 1 looks at the first generation of BattleMechs and some of the combat units used in the same timeframe.
Era Digest: Golden Century: A look at the post-Klondike clans as they go from being a strange former-Star League power to the culture they are today. also features some of the first OmniMechs.