How noisy are the cooling fans?
Can't get into the proper zone to toggle front panel switches without cooling fans properly roaring away in the background^W^W my ears. Can I connect my line printer? Acoustically coupled modem? PC11? CR11? RK05? TU56?
More seriously, this might be an excellent teaching tool. IMNECTHO, DEC kit is the absolute pinnacle for ease of explaining and demonstrating computing concepts to students. Although, in today's world of DevOps App builders, understanding the basics no longer seems to be all that important. Sad that.