Good review.
I think that some of the items that seem a bit fragile might be less so if mounted to the supplied bases, but I agree that the bases are rather large. I think alot of folks will end up taking a hacksaw to them and doing the irregularly feathered edges that lots of wargame terrain has.
I'll be looking forward to seeing how these come out, but I don't hold out much hope for them being impressive enough for me to want to own.
MDF terrain has come a long way, but in many (though by no means all) instances, the more advanced it becomes the more glaringly obvious it is that it's MDF. By way of example, a buddy of mine has some MDF "damaged" buildings and even some neat stuff like an Oil Derrick that are impressive kits, but their very intricacy seems to make the limitations of MDF that much more obvious.
I think the future will be in kits that combine MDF, sections of layered card (lots of innovative stuff being done by companies like lasercut card) and additional elements like plastic rod.