I made one becauase I can, I think it is probably quite (for lack of a better word) bad...
http://www.talonfiremage.pwp.b…o83vz2ovoqcqkfpsxebi1kv7k
Specs:
Total EU: 324,000,000 EU
Full cycle - no cooldown time
I would use Applied Energistics to auto-refill them.
3 of 3 efficiency
EDIT:
Resources used:
Code to grab direct from the standalone application:
21p7ermjpb5o059jh13dql1j1gyq5e2hij8crfatlns6etjhxrl494o83vz2ovoqcqkfpsxebi1kv7k