E228WFP vs 2007WFP, What's the difference?

Hey guys what's up (for the record as of today, I hate Dell with the most passion).  I understand that the 2007WFP is an ultra sharp monitor with an adjustable stand and 4 usb ports, but other than that, what is the difference in display quality compared to the E228WFP?  They both have the same resolution, so what makes the 2007WFP "Ultrasharp"?  I looked up a few specs and the E228WFP actually has a faster response time (I believe 5msp compared to 16msp to that of 2007WFP).  Anyway I just purchased the E228WFP, god you have no idea what I went through, but anyway what is the real difference?  Because as far as display quality they seem the same in resolution if anything the e228 is better, only thing I see is that the 2007 has a few more features, and they charge $399 for it.  But if you can live w/o 4 extra usb ports and an adjustable stand, you get a larger better viewable monitor for nearly $100 cheaper.