Thanks, that's what I had read. I also found this set of tests http://jsperf.com/asi-versus-msi http://jsperf.com/asi-versus-msi My results on Opera Next (v15

Thanks, that's what I had read. I also found this set of tests http://jsperf.com/asi-versus-msi http://jsperf.com/asi-versus-msi My results on Opera Next (v15) http://imgur.com/hkAopfX http://imgur.com/hkAopfX shows MSI fastest FWIW.