"Which plll and mobo should I get for now and for the future."
I can tell you what's now, and the future will start in june when Intel I815EP-B Revision chipset FC-PGA2 motherboard comes out and new 1.2GHz .13 Micron FC-GPA2 processor availible for sale.
Right now, Abit SA6R $129 and Asus CUSL2-C $110(There's also a Black pearl edition $139
http://www.essencom.com).
Intel P3 1GHz, shop for the latest stepping (cDO) out in april I think. Better chance to get you to 1.2GHz.
256MB Mushkin HP PC133 REV 2 $168, Run at CAS2 as high as160MHz. or
256MB Crucial PC133 CAS2 $95 CAS2 up around 145MHz-150MHz maybe. there might be other alternatives.
If you don't like I815EP chipset, you can go with VIA Apollo Pro266 chipset with sdram/ddr-sdram. And there is always AMD. TBird 1.3 GHz 266DDR $216 OEM, o/c to 1.5GHz.
I know you will still be confused, take your time, do more research. That's part of the overclocking experience and remember to have fun fun fun. Here is your reward for listening to me rambling this long,
http://www.cusl2c.com 