Iphigenie proclaimed...

Fly helicopters, pilot boats, and drive fast attack vehicles as part of
a skilled combat team, firing on the move.
Developed using the Black Hawk? engine, Joint Operations promises
superior rendering technology and an enhanced 3rd generation multiplayer
experience.
Use LCAC's (Landing Craft Air Cushioned) or Chinook helicopters to
transport teammates and vehicles from island to island or across
expansive terrain for mass troop deployment.
Wage war with drivable modern combat vehicles and up to 64 players
onlinevia the NovaWorld games service, or through LAN.
Play as either a member of the Joint Operations Force or an Indonesian
Separatist, with a choice of weapons and vehicles at your disposal.
Realistic "super-foliated" maps. Travel on vehicles across vast terrains
or use the dense jungle canopy for cover while on foot.
Numerous multiplayer game types including co-operative mode.
Take out targets and remove threats in single player mode while gaining
valuable experience in vehicle control and weapons handling

Novalogic have a pretty decent track record although it's fair to say
most of their FPS' have been pretty similar.
This has branched out and it may be surprise package.

I proclaimed...

I tried the demo. I played it for about 15 minutes and haven't been back
so I guess that's not a good indication. From what I can gather it's a
cross between Delta Force and Battlefield 1942.

More of the same essentially. I haven't looked at it in great detail so
I'll be interested in some second opinions.