If you can be more specific in terms of what you'e looking for, it'd be easier to suggest stuff.
To be honest, games that focus/rely on miniatures are really the minority, in terms of how many there are. Since this is a board focused on D&D and d20, you're going to see a huge emphasis on it just for that reason; add in the fact that D&D _is_ the #1 rpg out there, and it can sometimes feel like everything requires minis or has a rather tactical focus.
You say you're looking for something that's "lighter" on the crunch, but still has some. That helps narrow things a bit, but it's still pretty open.
Unisystem is a good way to go. Their mainstay is the All Flesh Must be Eaten line, which focuses on zombie stuff. Lots of supplements, and you can use them across a bunch of the other games. They also did the Buffy/Angel games, which are solid in my opinion. The rule system is slightly different for the Buffy/Angel line, using the "Cinematic" version of Unisystem, whereas AFMBE, Witchcraft and others use the "Classic" version.
You can download the Witchcraft book for free from here:
http://enworld.rpgnow.com/product_info.php?products_id=692&it=1&filters=0_0_0&free=1
There's a spiffy game out there called Witchhunter: The Invisible World. It's done by Paradigm Concepts, who's responsible for something called Arcanis (d20 thingy) that folks seem to like. Witchhunter uses a d10 system that's similar to the old World of Darkness mechanics apparently. The setting is "action horror", set in the 1620s in a world mostly like ours.
http://www.paradigmconcepts.com/
Let's see...
For science fiction, there's Blue Planet, and Serenity (or the Battlestar Galactica game which uses a tweaked and updated version of the Cortex system). There's others, but tossing out minis eliminates something like Heavy Gear for example.
There's also Fireborn, which is a great ruleset and a great setting, but you shouldn't use the rules with the setting. The setting would work better using something like Unisystem or WoD or something. The rules would work better for a game with lots of combat. Fantasy Flight Games has abandoned this game though, which might be a problem for some folks.
Secret of Zir'An which had some printing problems that people made a much bigger deal of that it really warranted, especially since they put up the entire chapter that had some problems in some books for download on their website (paragon games). It's a "pulp fantasy" like some folks claim Eberron is, but it really delivers; Eberron is an entertaining setting, but it's still D&D. SoZ's world is much more like Sky Captain and the World of Tomorrow, with magic and other fantasy trappings added in. Very slick, and a sadly under appreciated game.
http://www.paragongames.us/
SoZ is unfortunately a "dead" game as well. There's fans out there, but again a "dead" game is a deal breaker for some folks.
Feng Shui is a solid game, all about action. It's apparently based on some CCG, but I don't know jack about the CCG and that lack of knowledge has had zero impact on my enjoyment of the game.
Qin might be a bit on the light side for you, but if you're wanting some ancient chineese wuxia action, it's a good way to go.
Indy stuff? All kinds of options. The Shadows of Yesterday and Spirit of the Century are two solid picks. Depending on what you're after from there, something like Nine Worlds might appeal (kinda sorta like Nobilis but not).
And that's just the highlights from some of my collection.
After that...
Well, there's a number of different flavors of d20, all the old White Wolf games, some of the new White Wolf stuff...
Right now about all you're going to get is, "Pimp your favorite game or flavor of the month". Genre, setting, and what you want the rules to do are all important things.