What are the pros and cons of each?

What does Lightroom have that Aperture can't do? The price seems to go Aperture's way. But how does each interact with Photoshop?

__________ $$$$$ __________

KAWF FTW!
A5/S5 colors

__________ $$$$$ __________




05 A8L 4.2 Platinum Beige Pearl Effect/ Beige
(now in dad's garage but I still get seat time.@ least it's still in the family)
06 A6 4.2 Platinum Beige Pearl Effect/ Beige
07 Q7 3.6P Lava Grey Pearl Effect/ Limestone Gray
08 smart fortwo Passion Coupe Silver/Silver