Partition Suggestions

[Simon Taplin]

I've just invested in a 40GB HDD specifically for running my Ubuntu side 
of the world. The HDD will be running as a secondary master. I am 
looking for some suggestions on how to partition on the drive

So far I have a 509MB swap Partition (Why can't I make this bigger?)
A 2GB backup partition for keeping a copy the apt cache and any 
downloads I have
A 5GB home partition (probebly to big but I am open to suggestions)
What other directories is it a good idea to run as seperate partitions 
and what sizes? This would be mainly for a desktop machine.

Also, what is the best file system to use ext3 or ReiserFS?

Thanks
Simon
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