They shouldn't have. Many people use BC partitions much bigger than 32GB. I had a Windows partition, created via Boot Camp Assistant, with the size of 50GB. But I used a 2007 iMac for that.
Btw, your thread title is really un-descriptive.
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i set mine for 100gigs. I did it through disk utilities. Reformat the partition to FAT and reformat it with your windows install disc to NTFS and you're good to go.
If you're installing Win 7, or Vista, NTFS has to be used, period. Neither of those OSs will install on a FAT32 partition. Win XP can be installed on a FAT32 partition.