Mmm... certainly an interesting partnership.
To me it's like that cartoon character they used to run on Nickelodeon called CatDog.
One part cat the other half dog... couldn't tell which one was the head or the tail, confusing as hell but still a funny cartoon.
From the write up, seems like one will focus more into lifestyle settings; home installation, cars, mobile sound... and the other stick with high-end gear for what they're know for; amplifiers, digital playback systems, speakers & TT's... in which case then why merge at all?
As mentioned in the other posts, could well be that corporate acquisition syndrome... or call it corp greed, whatever I don't know. Maybe the bigger one flexes the muscles and the other one listens.
Way back in the day, I did own a few Bose products (301,601, & 901SVI speakers) suspended from the ceiling by chains. Rocked the house using Carver amps TFM150 and 250, what a blast! Also have used Mac gear, several iterations of their MC stereo power amps, one digital player and the famous MC275 tube amps, quite nice.
However, I've moved on from these makes, I do wish them all the best. Wonder if you bought a Bose product, could you send it to a Mac service centre for a fix? Or even the other way round...? Not sure how that's going to work if these two are merging.
Fun times ahead.
Cheers, RJ