Lets keep this as simple as possible:
1) Get the SPG AMEX now since Chairman is not available.....this way you can transfer you points to AA miles earn lifetime PLAT status in 2 yrs without even flying once...giving you the status you want.....and SPG GOLD
2) Get the Chairman when it is available --- just put enough charges on it for the "vacation" flying you do...then match it with spending....giving you the cheap coach tickets in AA which is always on the list of coach flights avaialbe at 25000pts which you can upgrade being the AA LIFE PLAT that you are....