All inventory left is currently in distribution channels and when it's gone, that's it. Get 'em while there available. AMD only manufactured a small number of Slot A T-Birds just so they could say they didn't orphan their 750 chipset motherboards.
AMD did produce some Slot A T-birds but they where one intended for some OEM manufacturers who complained that they had sh*tloads of slot A boards which were going to become useless. If you are lucky you might be able to get one.
Some slotA boards will take slot athlons up to a gig but some don't (I know the Epox KX board doesn't)
i towed away my slot A 950 a while back, soon as the t-bird came out
I know there are alot of slot A boards while chips are limited, i kinda wished i did'nt do away with my 950, kinda nice piece of history if you ask me