[Suicide Junkie]

If you're doing that, you probably also want to be able to research the ancient techs.

I would suggest that they be about 5 tech levels higher than the current max in any related fields.
Eg. Massive Planetary shields: Shields Lvl 15

Throw in some "half-way" components & facilities such as "Giant-Shield Gen" for starbases & such.

Just make sure you're going to have to spend many years to research racial and ancient Techs.

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The other thing to consider is that 100 turns is only 10 years. How far would you expect a race to advance in ten years? The current tech settings in SE4 are quite ... optimistic.