I like that the new instance types have a more balanced ratio of memory to ecu, but wish they had included some smaller sizes. I'd like an m3.medium with 4gb an

I like that the new instance types have a more balanced ratio of memory to ecu, but wish they had included some smaller sizes. I'd like an m3.medium with 4gb and 4 ecu (or an m3.large with 8gm and 8 ecu).