10 stacks of quartz should be a good start. Until you start making an MAC.
I recommend just using a lot of 16k disks, due to all the disk types holding exactly 63 different item types, only with a varying storage capacity on each one.
So someone with 4 16k disks can store tha same amount of individual items as a person with a 64k disk, howeve true person with the 4 16k disks can have 252 different item types as opposed to 63.
However, using bigger disks is technically cheaper for the same storage capacity, but if you really need that much of a single item, a DSU with a storage bus may be a better choice.
And in 1.4.7 of course you don't need Nether quartz, as its added in 1.5 however you do in 1.5.
I recommend just using a lot of 16k disks, due to all the disk types holding exactly 63 different item types, only with a varying storage capacity on each one.
So someone with 4 16k disks can store tha same amount of individual items as a person with a 64k disk, howeve true person with the 4 16k disks can have 252 different item types as opposed to 63.
However, using bigger disks is technically cheaper for the same storage capacity, but if you really need that much of a single item, a DSU with a storage bus may be a better choice.
And in 1.4.7 of course you don't need Nether quartz, as its added in 1.5 however you do in 1.5.