In SharePoint Designer I use some lists as sources and then link them together with an operation GetListItems (I fetch items from multiple lists on different site collections for rollup/aggregation): alt text http://img151.imageshack.us/img151/1807/ss20090428101310.png
Now something is fine as I managed to get the result: alt text http://img410.imageshack.us/img410/4835/ss20090428101013.png
But the strings that are attached to field result (6;#, 2;#) is... disturbing. How can I get rid from those attached strings? They are not attached to all fields, but to some (important ones):
alt text http://img168.imageshack.us/img168/1647/ss20090428100732.png
Ahh, well usally that happens - you keep searching for answer, then seek for help and find it yourself.
I used substring xsl function, to strip away those first characters. Messy, if i want to add links to that table, but works.
alt text http://img2.imageshack.us/img2/3117/ss20090428102714.png
By the way, the main question how to rollup content from multiple site collections has been journey to me for several days already. If anyone is in the same situation, I recommend (well because I found myself an answer there) these: