No, these are not ancient Windows strategies, they are ancient CP/M strategies. MS-DOS inherited drive letters from CP/M, which IIRC came from DEC RT/11. Rather than hanging on to anachronisms from the 1960s and 1970s, you should learn how to use your Mac as a Mac. With certain exceptions, you are pretty much free to put stuff wherever you want. MacOS X's Applications, Documents, Music, Movies, and Pictures folders are suggestions rather than requirements (with a few exceptions).