Well right now the only technologies that are 'expected' to be out that I know of are the ones you already mentioned. But it is also expected that new motherboard chipsets will always come out or be revised, new video cards will be out... and what HD is the best always fluctuates. I doubt Serial ATA-II will be out by then (supporting 300 MB/s), but my point is that we can have an idea on what will be available, but there won't be any specifics so it won't help you at all in your purchase unless you ask again a month before you buy. Also, who knows what the price/performance will be when comparing the Hammers with Intel's cpu's... or just comparing performance. Maybe there will be more delays and there won't be any Hammers available for purchase in June. Maybe it will be better to go Intel...
It is just all speculation so your question is better asked at a later date.