1988 Alpina Pro vs Diamondback Apex

Greetings all...

I am toying with something, and am hoping those of you in the know might give me some insight.

I love my Alpina Pro, I picked it up a year or so ago and it's been fantastic! https://goo.gl/photos/XbKYDRz5Vzcn9g3S8

I'm toying with picking up a Diamondback Apex, I think...