Everything looks good so far. I am happy to see that character creation will be deeper this time around. After playing FFXI for nearly 6 years my main complaint with the game was that you would see a million and half clones of yourself because of the incredibly limited creation process.
The story as well sounds interesting. Although I have a had time believing that it's possible for them to make a better story then Final Fantasy XI Chains of Promathia had. I still think it's one of the best stories in the FF series and it's in a MMO which is quite incredible when you think about it.
As for the whole coming to the 360 thing I am not so sure. Few people would be able to play the game as the install size is going to be massive and that's not counting future updates. So really the only people who would be able to play it without problem are Elite owns or Pro owners with the 60gig(and even then they would probably dedicate most of the HDD space to FFXIV alone.
Something tells me if MS and SE have not reached a agreement already that they might not any time in the foreseeable future. Although it is always possible they have reached one and they are waiting until something like E3 to unveil that fact along with more info. Although that's unlikely since the Beta will be well underway by that point in time.
I noticed a few people commenting on the DVD9 issue on the 360 as a reason it may not come out on that platform and I don't think thats a issue.
FFXI on the 360 installs from a disc and then after that process runs of the hard drive the disc is only used to verify you own the game aside from that the HDD is doing everything. So even if the game was large enough to need to be on more then 1 disc(which is likely) it won't matter as the discs will only be used for the install. If you have signed up for the beta certain questions might lead one to believe the size of the game will most likely be in excess of 20gigs which to be honest sounds a bit small to me but we will have to wait and see.
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