Depends on what you want to do with it, but personally, for $90 a later one (G3 or G4) would be a better choice, the 5300 is very limited in what it can do.
I am selling off a few of my Pismo G3s and my Lombards...let me know if you have an interest/see my note in Trading Post. Decent batteries are getting harder to come by, but they can be rebuilt of course.
I personally think the Pismos were a true high point for Apple...easy to work on, parts are still out there, they are durable as hell, typing on one is a joy (as I'm doing now) and TenFourFox still makes them very viable daily web use machines with the right ad blocks and script limiters in place.