I've played several hours worth of the game (I'm somewhere in the middle of chapter 2), so I might be able to help you out with your question.
I think fans of either survival horror or shooter/action games will find something to enjoy here. So if you enjoy either of those types of games, then I don't think your "avoid" option really fits in. Now....rent or buy?
I won't go into visuals, sound, and story, while great (so far anyway), I don't feel they ultimately determine the replayability of the game. Given the info so far, I would suggest renting the game. Now, what does the game have to warrant a full purchase? The combination of the combat and the expansive upgrade system is what did it for me.
With several different (and all equally useful) weapons and the stasis/manipulation tools, there is plenty of variety/options in combat. This is made even more diverse with the gibbing system on each of the enemies. the use of 'strategic dismemberment' (SD) is very useful, and most importantly, very fun. What provides utility in a fight (SD), also provides a great visual experience.
The upgrade system is also fairly interesting (again, so far). While receiving a few items here and there that are used for upgrading, you can choose to advance your different pieces of gear. Weapons have branching paths of upgrade, which allows you a bit of freedom in how you want to specialize them. Because the items used for upgrading are somewhat scarce, it forces you to really consider what you need most (more damage?, bigger clips?, more armor?, more health?, etc...)
With those things to consider, It looks to be a game that could stand a few playthroughs. I caution you though, this is really just a first impression. We'll see how the game wraps up.