bang and olufsen

Hi everyone, I am a product desing BSc student in my final year at university. I was wondering if you could provide feedback on my designs, purely from an aesthetics point of view, and tell me which on you prefer out of the five pictured. I have provided a google drive link, please let me know...

I found a pair of Bang & Olufsen Beovox cx100 desk speakers on Craigslist in excellent condition for $190. Two questions: 1. Is this a good deal for this model in this condition? 2. What kind of amp will I need to drive them? On Craigslist the specs of the speakers are listed as "6 hohm...