MS Project Standard vs. Professional

Hi everyone,

I'm trying to figure out if I should purchase Microsoft Project Standard 2013 or Project Professional 2013 for work.  I've never used MS Project but I feel like I've gotten to the point where managing projects through excel and opensource tools aren't doing the trick for me anymore.  

I've looked at a few comparisons such as:

http://technet.microsoft.com/en-us/library/cc750929.aspx

http://office.microsoft.com/en-us/project/project-management-and-ppm-software-comparisons-microsoft-project-FX103797367.aspx

But, I'd like to know if anyone has had any experience with both versions and which one worked better for them.  Here are my main requirements:


I also know that we won't need the Project Server.

When I looked at the comparison chart on the second link, the one that worried me was: "Easily manage resources: Visually create the right mix of resources using drag and drop." since I need to do this and it's only available on professional.  I wonder if standard does have a way to do this and they just don't advertise it.

Any help would be great!  Thanks!