You sure it is a i3-330 ??..
You could double check by going to Control Panel, System, Processor.
HP Pavilion p7-1110 Desktop PC Product Specifications
Not all the front panel stuff would work on the new tower. I dont think it has enough Front Panel plug to the mainboard.
The new case top shows what I believe it to be 3 x USB 2.0, and 1 x USB 3.0
Looking at the mainboard layout. It only has 2 F_Panel USB 2.0.
That PSU you selected isn't going to work. The problem that it only has 1 pcie 6pin.(1 x 6pin PCI-Express Connectors)
The HD7950 requires 2 x 6pin. »www.amd.com/us/products/desktop/···0.aspx#2