personally im gunna stick with the fw,its easy to do requires no major disasembling of the dvd drive,and works perfectly for my needs(booting copies)
i dont really feel the need for a fw chip-maybe when the 360 is cracked for real with some unsigned code running then a chip would be needed,besides with the underdog chip you would have to rerip all your games to work with it,and it costs 40 note,looks very badly made too-stick with the fw hack for now
just my opinion like,each to there own and all that,but this particular chip seems to make an easy job harder