The Ebay ones are cheap enough to buy one just for the other stuff common to all engines (brakes, clutch, gearbox, electrics etc.) I suppose for jobs like a timing belt change you do need the correct manual though.
I know this one doesn't do the 1.3 (See Here) but the seller does get hold of and sell the actual Fiat engraved CD's so may be able to get hold of one for the 1.3... Worth a try?
Sorry if it's not any help, had a look round the net but to no avail. If you don't have an eBay account I will most certainly ask for you if you wish
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