Please...
Add queue for research
Add search function to research tree
Add info to buildings if (and for which) it is an upgrade of an existent building
Add info if buildings are unique per planet, per faction or galaxy wide
Add info report if e.g. a scout discovers a new star system
Add mood info to dimplomacy report
We like beta 5 
Great game for assimilation = influence (maybe a bit too overpowered) 