You might like this but personally I prefer Amiga AHX modules than this 
You can find some on modules.pl and play them with XMPlay
btw. My two favorite AHX tunes:
http://www.modules.pl/index.php?id=module&mod=2503
http://www.modules.pl/index.php?id=module&mod=2504
edit: To download songs on chiptune.com you have to jsut click the “Chipbench1.3” icon and then proceed entering directories like on typical hard drive
Give them a try if you like
Cheers
http://www.rhinoplex.org/8cylinder/
A gear word list that chiptune artists use helps. EX: Nanoloop, PSPSeq, MidiNes, Littlegptracker, etc. More often than not, it’ll lead you to a cluster of links.
Tons of tracks available on the site (with all that implies) but check the “Releases” section of the forum for links to the really good stuff.
Maybe not quite what you’re looking for, but nonetheless a great site that is packed with chip (and other oldschool) music:
http://www.plopbox.net
You have to look up FantomenK’s tunes, they’re awesome! You find it on youtube and other places on the net.
Here’s a couple:
FantomenK is awesome.
So is Nathan Barnatt (aka Keith Apicary).
Witness:
Hehe, yeah Nathan rules, he’s the one who made me aware of FantomenK! I think i have seen every clip available 
Hey, FantomenK kicks ass Wasn’t aware of his music.
aaah great thanks for all these links !
i really liked the first link chiptune.com haha made me remember te few times my amiga crashed and gave the exact image when you go to chiptune.com hehe what a stable system that was back in those days
And what about this awkward fella:
http://www.youtube.com/v/K3BmZqAo8cQ
Or this:
http://www.youtube.com/v/6Z8ZQ3kTSK0
Check out Bitmasters netlabel!! They’re GREAT! A couple artists off it are on this very forum actully… bossFYTE and Starpilot are a few good ones to check out… also Cuddlefish and PDF Format. =)
Respect!
-Kyle.
Edit
Sorry Du -iz-ane didn’t know you posted this already 
lol!