Powerbook 100 Versus Powerbook 150

My taste in writer's computers is wildly varied. I use a number of machines for basic writing chores, but ultimately it's an issue of portability. I prefer to write anywhere but my desk. So, laptops are a necessity.
I've had a number of them in my life, both PC and Mac, as well as the occasional oddball (my Tandy and AlphaSmart Pro). Where the Macs are concerned, two have been an absolute joy to work on, my old Powerbooks 150 and 540c. Before it died, my 150 handled many writing chores, in fact, simply because it was lighter. So, weight becomes an issue.
One of the biggest reasons to own a PB100, I've been told again and again, is its weight. It comes in at a scant 5.1 lbs. Okay, that is pretty light. But, the PB150 weighed only a little more, 5.8 lbs, yet it is considered a bad machine due to a lack of ports. Is that really such a big deal?
From the standpoint of pure utility, they both have a lot to offer, but there are actually a couple of reasons why the PB150 comes out ahead. First is RAM. It can handle up to 40MB, more than twice the ceiling that a PB100 can attain. Second, it is faster. So what if it can't handle System 6, it boots twice as fast. I imagine that if it runs a stripped out System 7.1, it would probably beat the PB100 in a side by side comparison. More important, though, is the PB150's floppy drive. The PB100 only included it as an option; it's built into the 150.
There are other issues that Mac enthusiasts like to bring up, but aside from the cool factor, I can't think of any other practical reason to own a PB100 over a PB150. In the end, it comes down to personal preference.