Love this game. Looked at it when it became the most popular custom game and have played it ever since.
Here's my current custom build:
1. Bone warrior (15)
2. Aberration (30)
3. Captain (110)
4. Roach (105)
5. Grizzly (180)
6. Dark templar (315?)
Captain and Roach and grizzly give good buffs, T1 can customize to 3, abbs take care of mech.
This is the set up I almost ALWAYS use. (Able to get out 3 workers with the speed upgrade before infestor)
Questions are- any replacements you'd suggest, and what are custom builds you use?