Power adaptor and battery HOT!

This is the message I sent to Apple a few minutes ago. Maybe some of you can have some answers as well. Thanks!
"Dear Apple,
First of all, I would like to kindly express my apologies for using the feedback form to send you some thoughts about my MAC. I did not know who else to address to.
I have bought my MAC in September 2009, through the Apple Store online. It has been delivered in Norway, where I am living in the present.
Unfortunately, I have never been very satisfied with it, due to two main issues.
First, I have noticed a problem with the battery and power adaptor since the very first day. They are both heating up very fast, after just some minutes, and then the mac is really, really slow (even if I have just one open application). I have tried a few times to go to a service provider in Oslo, but they said it's working fine. The first time I had a visit with a service was in the first week after I bought it. Then, when I had this screen problem, so I took advantage and I asked them to check again the battery (they had it for a week or two). They said it was fine. A few weeks ago I visited 3 different services with the same issue - no problems found.
Of course one could say that this is the proper way of working of a mac, but how can a mac work so slow when they all say it is so fast? I have asked around and none of my friends had a similar problem, since they've purchased it.
I decided to write you now due to the fact that a few days ago I had to use a friend's mac for some hours (which is older than mine, a simple MacBook; plus, he uses it much often than me). It was working perfectly! Not at all slow, no heating.
Then yesterday I had my power adaptor plugged in for half an hour - then I saw that the mac was not charging (how come?). When I touched the power adaptor, I literally burned my finger. Of course I got scared as well. I tried to change the power adaptor with another one - it did not get so heat up, but the battery of the mac was still burning, as usual. I used to keep my old PC in my lap, with the mac it was always impossible, unfortunately.
With lots of regrets I am writing this message. I have never felt that I had a 'real mac', like the other friends of mine, although I was so excited in the beginning. I sincerely hope that I am a unique user.
Now I am planning to sell it to someone (I don't think I can get even half of the price now, since it is pretty old) and get back to some usual PC. With all the regrets in the world, again, because some of the features were indeed really cool (like the trackpad, for eg).
Thank you for reading this! Good luck with your future products! And may God rest in peace Steve Jobs, I hope the business will not be affected.
Best regards,
Cristina Moldovan"

45W is definitely not correct for any 15" model. Here are the correct model power adapters:
http://docs.info.apple.com/article.html?artnum=75448
Yes it can hurt and potentially create a fire hazard if you use the wrong adapter. Get the correct one.
As for the display resolution the 867 Mhz TiBook was released on this release as a:
http://support.apple.com/specs/powerbook/PowerBookG41GHz-867MHz.html
1280 x 854, 1152 by 768 supporting display. Check the inside of the machine's battery bay to verify it is an M8858LL/A. If it isn't then this might be a bit of a Frankenmac.

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