So I kept checking out both softwares, and keep saying, aperture looks really nice, has faces and places, but still don't feel quite comfortable with it, there's something missing, something I can't get used to. Has really great tools, some really good, others kind of fall short, but still all around is great.
Lightroom on the other hand after more tutorials and digging on the internet, kept discovering amazing things about it, the noise reduction is amazing, the importing options keep it simple but at the same time are covering everything, the renaming feels more natural, the tagging, loved the isolated color correction, the library is simple, clean, only your folders your catalogs, no albums, no projects, no folders all messing with your head, really, really good piece of software.
Aperture being from apple really conects with the OS, you feel it like a part of snow leopard, but still, besides lightroom not being that connected in the UI department, looks great, and for me, I love the dark colors, the fact that you can customize it with your own plate or name, the sync button is amazing. For aperture, it's amazing software also, only used places and faces at the beginning and that was it, really time consuming to do it manually (for those pictures with no gps tag, and I don't have a camera with that feature). I just want my photos organized and being able to do amazing editions and from time to time do some experiments in photoshop.
So, the decision is final, I'm keeping lightroom, both are great, but for me, for my needs, for my personality, for my tastes and workflow, lightroom is the best option. Aperture is still great but don't feel it an extension of me, keep feeling out of place when I use it.