I'm using kernel 2.6.32.38
I think its this one
Radio_12.54.60.25_26.09.04.11_M2_test - HTC Ace Gingerbread S 2.36.405.5
Radio.img MD5 Checksum: 2dc4cfc01516d71c8d68ac2c5e2feda0
atleast thats the radio I flashed
with regards the initrd.gz file i'm unsure where its located and how to...