No, the old IBM M keyboards pretty much all use the buckling spring patented key design. Like I said, I love the new keyboards from Razer, Steel, Corsair, and the other gaming companies, and I'm glad they're building them, and they're what I use for gaming most of the time due to the lit keys. If I'm typing or writing anything longer than a BBS post, I use the IBM M keyboard, as the key's are still better, at least IMO, and by a fair margin, than the newer Cherry keys, at least for typing quickly and accurately.
One thing is for sure, once you try any mechanical, you'll not want a standard keyboard ever again. I can max out at about 70 or so WPM on my Razer, and well into the 80's with the IBM board, with far less errors taking off score. I don't love the PS2 connectors though, I'll say that for nothing. If IBM was smart they would sell that buckling spring thing to another company, or build some new keyboards themselves. Like I said, the "new" manufactured one I ordered from the first link in the last post should be interesting I hope.