I think the 2nd one but here is a website if you still aren't sure if you want the galaxy:
http://tech.fortune.cnn.com/2010/07/18/samsung-galaxy-s-review-t-mobile-vibrant-and-att-captivate/
or the motorola :
http://www.youtube.com/watch?v=ob7bXkuPxrc
compare those two and see what you like best. Use pros and cons

I personally suggest/like the lg banter touch. It has a qwerty keyboard with touch screen(includes regular Keyboard) VIDEO capture/camera. Great internet. Mp3 and micro scd slot

Its a good phone, and cheaper. Here it is:
http://www.metropcs.com/shop/PhoneDetails.aspx?ProductId=LGMN510(Phones)
and check this website too:
http://www.youtube.com/watch?v=N9t8ICxmuJQ
-peace and love