I for one would love this option. I got used to Odin on my sgs vibrant and have loved it since. Its really an easy program to use and really makes flashing pretty idiot proof as long as you know what files go where. Mobile Odin makes it even easier by knowing what files to put where. I hope we can see more roms coming in Odin form, it may also help a little with the people who can't read the OP's directions.
Just bear in mind that this equates to flashing an unsigned kernel so anyone who doesn't already have the yellow triangle and an incremented flash counter, will afterwards.
Doing it via MobileODIN should be fine though, and given the dubious nature of these ICS kernels, it might not be a bad idea to pull the zImage and post it separately for flashing via that.
That said, everyone who's tried crossflashing via AbyssNote seems to be fine so it's a perfectly reasonable workaround for those who don't want to risk a brick by kernel flashing from ICS.
I've checked the charge rate, looks like around 1/4% per minute regardless of charging source (so 1% charge increase every 4 minutes) with wifi+3G active. I'm guessing the stepping rates just need adjustment in the kernel.