Performance problem with many lookups

Hello,
In my corporate system, I have a database table with many relationships. The JHeadstart Group used to represent it has 13 lookups, some of them are choices and some are lovs. All lookups are based on "free" lookup VOs, withou any kind of View Link relationships.
So the initial model was:
One "main" view object representing one entity object, with many (13) lookups to set some attributes.
It was just working fine while under development, but when we put it on production servers with real data, it started running very very slow when quering in the main UIX table. In create mode it was working fine. I realized that it could be all of those lookups with all that data (some of lookup tables has >300 entries). If I undestood correctly, those attributes associated with lookups are "rendered" by matching.
So I changed the model to:
One "main" view object representing all possible entity objects, to fetch all attributes coming from relationships directly in that view object, and many lookups used just in create mode.
It worked fine, and now response times are acceptable. But I'm still with difficult in the detail disclousure feature, where I'm still gettting up to 15-20s to render the details. In detail disclousure, I think it uses lookups to render attributes and so it slow down again.
Is there anything I can do do speed up these queries?
Thanks,
Eduardo

I've changed some choices to lovs and now it's working fine.
Eduardo

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