Those that applied in 2008 still aren't eligible for visas though, the date on Table A is August 2007, so maybe 4 or 5 years before your mother gets her visa?
If you have aged out (or will age out), then another option is for your mother to petition for you once she's got her GC and is living in the US. That'll be another decade or so from when she applies, but is at least a solid Plan B.
Good luck.