I mean, if you really wanted to, you could:
1. Stay on TrueCrypt for now.
2. Put together your own team of crack crypto researchers and secure coders.
3. Fund their research into [fork of choice] for a year or so.
4. If the audit results are favorable, switch after it is concluded. If not, repeat step 3 until a favorable product is found.
5. Repeat steps 1-4 ad infinitum (in step 1, s/TrueCrypt/[fork of choice]).