xz is clearly superior in many regards. My understanding is that xz can use significantly more memory upon compression/decompression. http://pokecraft.first-wo

xz is clearly superior in many regards. My understanding is that xz can use significantly more memory upon compression/decompression. http://pokecraft.first-world.info/wiki/Quick_Benchmark:_Gzip_vs_Bzip2_vs_LZMA_vs_XZ_vs_LZ4_vs_LZO http://pokecraft.first-world.info/wiki/Quick_Benchmark:_Gzip... Some additional discussion about why xz is not as widely used: http://stackoverflow.com/questions/6493270/why-is-tar-gz-still-much-more-common-than-tar-xz http://stackoverflow.com/questions/6493270/why-is-tar-gz-sti...