Via NEI Options I have hidden almost all metal-based parts. Now I have 24 pages instead of 53, and it is really enjoyable to use NEI again.
I have found that there are 3 types of ore: smooth stone-based, cobblestone-based and bedrock-based, that share the same NEI creative tab, while other types of ores have their own. The name of the ore also does not differ between these three. Maybe this creates problem with MFR. Anyway, I will contact TeamCoFH and report this problem.
Are there supposed to be any uses of other types of block of XXX plate, Crate of XXX, Block of XXX dust apart from compact storage? There is a mod that allows to use blocks of metal, gem and dust in full-metal crafting recipes, allowing for 9x output (f.e. 9 cauldrons from 7 iron blocks). I would really like this feature in GT, this would greatly boost the usage of these block types.
You can put diamonds inside a crate and use it as a fuel source. Also gunpowder crates do have an explosive personality..