Yes, 1.45V seems the way to go, at least for now. My chip doesn't get much cooler because of the case temperature versus a relatively high ambient temperature at the moment, there simply isn't much differance so that the cooling effect will be dramatic I'spose.
While I have not run Prime95 24 hours or something like that, simply because I like to shut my computer off while I go to bed, I did run it a few hours last night, no problems arose, so I should say it's 'stable enough'. It's not like I normally (when web browsing and listening to music) use my cpu to 100%.
I use PC-133 memory, but I hope they're of the same quality as of those PC-3200 ones!
PS. 1 GB of ram proved to be a massive overkill, my highest count memory usage has been around 33-35% of total memory so far.