cameo wrote:
I am sensing that my HP Pavillion tx1000 notebook's 250GB SATA drive's
days are numbered

Because of SMART or noise or what?

5400 RPM Western Digital WD2500BEVS-60UST0 model

..pdf specs from WD http://www.wdc.com/en/library/portable/2879-001121.pdf

they might not fit into the caddy the original drive is in.

Very very standard.

What about SATA II or SATA III upgrades?

Upgrading notebooks doesn't really happen, but sata II (or even III) is
backward compatible if you find a better deal on that.

Has any of you done this kind of laptop HD replacement and
could give me some pointers?

Personally have never done it.


--
Mike Easter