Ops, my mistake!
I removed the Jedi Temple, then reinstaled it, and Coruscant was on the Star Map.
I finally found the dialogue about the localization of the HK Factory (the one about the voice recorder on Peragus). Before the dialogue I encountered 3 groups of HK-50, all the times with HK-47 on my party.
Sadly, I found it on my second time at Onderon (left Korriban as my last planet), and encountered only one group of HK-50 before the return to Dantooine, so no HK Factory for me, I think (I'm ready to fight the Sith troops on Telos).
Maybe the dialogue about the voice recorder could trigger more encounters with the HK-50 (one at each planet). Just a sugestion...
And, as a side effect of the Jedi Temple issue, the journal entry about the HK-50 didn't have the text!
All the other quests worked perfectly! The only strange issue was with Kreia and the Lightsaber lesson. I tried it several times, and every time I got the message that I needed to find a lightsaber. But I already had a lightsaber! Maybe I needed a lightsaber for Visas, too, but the message didn't said it...
I'll wait for the next version, to try it again.
One more sugestion: the Jedi Masters could drop crystals or robes (the good ones) when Kreia kill them on Dantooine. They were Jedi Masters, should have some good stuff!
By now, all I can say is... this mod is AWESOME! Made the game what it should be!
Congratulations!
May the Force be with you all!