I wasn't in need of or really looking for a cab, but a Mesa 115 showed up locally in great condition for a great price so I bought it thinking if I didn't like it, I'd be able to sell it on easily. A couple of rehearsals with the band so far and I'm digging it. My amp pushes 400W @ 8 ohms and I've probably only gotten to 200W or so and that's plenty loud, yet the 115 is rated to 400W @ 8 ohms so there's plenty of headroom.
Back on topic — OP — is there a specific reason you're looking at 4x10s? If you def want that diameter and that quantity of drivers, I'd also suggest considering 2 vertically oriented 2x10s that you can stack. I have a Revsound 2x10 that sounds great when I put it on a stool to get it closer to my ear. 2 of those would be killer. One 2x10 is plenty for a lot of situations, but if you need a 4x10, you need a 4x10. The modularity of 2 2x10s has some nice perks though: bring only one if needed, easy load in even with two, small footprint and again gets that top driver up much higher.