MEM are excellent.
I'm stunned to hear that none of your local suppliers carry them.
MEM is used a lot on commercial and industrial installations where a fault can mean lost production and cost a lot of money. This means they have to be very reliable but are not a cheapy cheap buy. The single-phase MCBs and isolators from the Industrial range will fit in the single-phase domestic CUs which is handy; as will the RCBOs, which due to their design are available in an enormous range.
The industrial range is called "Memshield 2" and is a lot more expensive (even the single-phase DBs which, apart from the cost, could be used domestically). Grey-painted steel enclosures, you've probably seen them around.
The domestic/light commercial ranges are "Memera 2000" and "Memera 2000 AD". The "AD" is the later design but both are current manufacture. "AD" is a more curved shape and has the advantage that you can cut the busbar of split-load boxes to suit your requirements. E.g. you can use a 12-module CU as a 10/2 split, or a 9/3, or a 6/6, or a 5/7.
However it is my opinion that the "2000" range is stronger and had more room inside. This is particularly relevant in the larger enclosures which may hold as many as 21 devices which are quite heavy, and if some of them are RCBOs you have an extra set of thick Neutral and thin functional earth wires to find room for.
The enclosures are cream coloured and are available in plastic or steel. the steel is stronger but more expensive. They are available in unusually large sizes but 12-way is the largest common size.
There are some pictures of MEM CUs on
//www.diynot.com/forums/viewtopic.php?t=70551&start=0
People in the know
use them a lot