When i got back into it I went down to a local hobby shop, told them what I was interested in doing and they helped me put together a custom kit. I have a couple tools I haven't used yet and I probably payed a tad more than if I had figured out exactly what would be in a good kit in advance. It was a really fun shopping trip though! If you happen to have a well stocked local hobby shop and a little cash to spare, I'd recommend that approach.
Otherwise there are tons of good lists of tools on different people's websites.
http://www.finescale.com/fsm/community/forum/topic.asp?TOPIC_ID=50905
http://www.codyscoop.com/ht-tool.html