A beautiful pin - especially if you swap in some colored LEDs. Artwork, sound, music, and DMD animations are superb. Gameplay is merely adequate. The playfield is quite bare, though the ruleset is pretty deep and interesting, and this compensates somewhat. It's an average-ish game in beautiful clothing, so to speak.
Thought I'd add a more detailed breakdown.
The Good:
1. Cabinet and backglass art is among the best Stern has ever done. And it is, bar none their absolute best that isn't hand-drawn. Only the new Zombie Yeti stuff can compare.
2. Playfield and plastics look amazing if you convert to color-coordinated LED GI. Teal/Cyan, Purples, and Blues work great. Again, some of the best playfield art Stern has done that isn't hand-drawn.
3. Music is excellent. Very unique for a pin. Really captures the theme well.
4. Callouts from the original actor who played Colonel Quaritch are spectacularly well done. Very engaging, with enough variation to avoid becoming annoying as a home use pin.
5. DMD animations are good for the era - but definitely go Color DMD with this pin.
6. The rules are pretty deep, and you can stack scoring modes, which adds some strategy as to when you want to engage multiball modes. Stack Bomber Battle or Seeds with Amp Suit multiball... or hit Link multiball, and then slam Amp Suit multi ball or vice versa, when you need more balls. Definitely update to 1.1 code, though, if your machine doesn't have it. A lot of problems were fixed in that release.
7. It flows well (provided you have the spring to prevent SDTM drains - some Avatars came with them factory, others did not and it had to be added). Borg designs are like that, I feel. Good flow, though a bit empty. The ball lock is really clever, too. The magnet is engaging and challenging.
The Bad
1. The biggest single problem with this pin is obvious to anyone who sees it: the playfield is just bare. This was from a time when Stern was fighting cost-cutting measures, there was no competition, and pinball was at a very low point in popularity. The ruleset tries to make up for the general emptiness, but it only succeeds in part. The design of the playfield - given the bareness - is good, provided you have the version which has the little spring below the pops to prevent SDTM drains. If you get an Avatar Pro and it doesn't have the spring (look it up to find the part), get it. It changes the whole game experience from frustratingly annoying to pretty good (but not the best). You'll know if you get constant SDTM drains as soon as it leaves the pops. A little $5 part does make that big of a difference here.
2. The toys are so-so. They could have done a lot more. The Amp suit is very cool, and the motorized crash when you defeat it is great, but the Colonel's figurine should have been in the pro as well as LE. It's like a $5 thing. The Banshee and Navi figures in the LE improve things - and you'll find most modders will add those (as I have done with my Pro). But it's still just... so bare, in terms of gameplay and toys. The Link with Jake Sully's figure is cheap-looking, too.
The Ugly:
1. This game is HARD. You will fight to get to the wizard mode. Having to light all modes - and modes dropping if you drain unless you complete them - means it's a very difficult machine to fully play out. Casual users will have a reasonably good time - the action and callouts are engaging and fun for them. But for pinheads, you will find yourself cursing at this machine sometimes. This is both good and bad. It's good in that, despite the bare nature of the playfield, I still have this machine in my collection after 7 years, for the times when I want a challenging game. But bad in that it can often suck the fun out of a long game when, right at the end, after fighting the pin for half an hour, an unlucky drain happens. It's brutal. Sometimes I like that, sometimes I don't.
In the end, it's like I said in my initial short review. This is overall an average playing pin in beautiful clothing. A worthwhile game to buy for the pinhead who has everything else, or for a fan of the movie. Or, in my case, if you want a pin that pisses you off and challenges you from time-to-time. And it really is beautiful...