ok then never mind... but out of a matter of interest which proto's have you owned?
I know the SLGs can be problematic but the characteristics of the PMs and DMs mean they are quite hard on o-rings, you should just have to lube frequently and watch for damage.
Invert mini , Red, Come with the original hard case, but it has all v2 parts which is the newest, and I just fitted new detents and a new poppet. It is metallic red color and has only had a few boxes through it. Has had just been cleaned inside and serviced. Will throw in the;
hardcase - very good for transporting, its like a mini briefcase.