So much good info on FT. Love it. Anyway, I'm looking to book two reward tix to Australia in the summer of '08 -- I'm looking at booking 11-12 months out, so dates will be flexible (I'll get cleared at work later...if they won't give me the time off...new job!

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Does anyone have opinions on whether 1st is worth the extra 20,000 miles per ticket over their Int'l Biz class? Part of me says Biz will be fine and 40,000 miles is a nice portion of another reward, but part of me says I've been saving up this long, so screw it and go all out.
Thoughts?