You said you're about to move to Korea for a year so if you buy a rig now it will be sitting for some time losing value, at least the AAD. It would lose more than you can find a decent used suit for. You also may not want to jump the same size canopy you are now after a year off so when you move back you might still be renting a few times anyway. Also there is fewer decisions that go into a suit over a rig. Buy a suit now and take your time thinking about what you want in a rig.
Also like others have said an alti, helmet, and audible should come before a suit or a rig. "Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure, or nothing."- Helen Keller
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