Ok - i have it. It's easy. Here my new example for "newsItems". All Items will be wrap with the specific partial. On this example - all "normal news", without topnews.
<f:if condition="{newsItem.istopnews}">
<f:then>
</f:then>
<f:else>
<f:if condition="{iterator.isFirst}">
<f:render partial="List/ItemPressHeader" arguments="{newsItem: newsItem, settings:settings}" />
</f:if>
<f:render partial="List/ItemPress" arguments="{newsItem: newsItem, settings:settings}" />
<f:if condition="{iterator.isLast}">
<f:render partial="List/ItemPressFooter" arguments="{newsItem: newsItem, settings:settings}" />
</f:if>
</f:else>
</f:if>