The good:
Maps are often rewarding to explore
Overall art style
Tactical round based combats
A lot of weapons and items
A polished first act
Overall Writing (even though the quality varies)
Interesting (while also over the top) Factions
Companions
A good use of choices & consequences (Telltale/Bioware take a note here)
A lot of inside jokes and fan service
Music from Mark Morgan (not as memorable as what he did for Fallout/Planescape though)
Radio transmission (especially during first act)
The bad:
The second act of the game still has a lot of oddities, glitches and bugs
Some skills seems forced for the sake of re-playability, and would have been better off combined/graded or as perks
Not be able to shoot other parts of the body besides headshots (thus no enemy slow down or force a weapon drop)
Your base team will never develop beyond their skill stats and your fantasy
Heavy reuse of character portraits
You cannot set own traps
You cannot sneak
...and the ugly:
Chance evaluation feels broken to me (from weapon jams to critical misses to ...well everything)
Heavy quest items which you have to drag along
Verdict:
For lovers of classic RPG and the setting i surely can recommend it. I backed it two years ago with a good sum of money and I don't regret it. Will it be remembered a classic 10 years from now? Probably not, but it will sure find it's fans...at least I'm one of them now.

On a sidenote:
Even though Brian Fargo makes fun of DLCs in the game, I wouldn't mind to explore more maps and side-stories with my team. The hub like system seems so predestined for such things. It's a missed opportunity to not give fans and in the end Fargo the chance to continue refine Wasteland 2. Since he could live off it for years.