Had my 13"MacBook Pro for 5 weeks now and absolutely no issues at all.
When a person has a bad experience with something they will usually tell at least 10 people, but when they have a good or exceptional experience they will only tell 1 or 2 people.

i have a 13" i7 . 2011 - 8gb RAM
Main problems or issues for me are
- Loud CPU Fan
it can spin out of control when doing simple things like skype calls or youtube / hd videos -- pretty disappointing because i think its a design flaw and we have to live with it.
- WIFI issue / network issue + further issues on wake from sleep with the internet connection -- may be fixed in an update, osx lion or if I format.
I have been using macs for 4 years and this i will admit has been a little buggy for me, as i haven't had any problems in the past. I have also read that people have similar problems BUT maybe i have a lemon ????? can someone confirm ?
I only have a couple very minor complaints with my 2011 13" MBP.
1. Sometimes when waking up from sleep mode the mouse won't work for 15-20 seconds.
2. I don't really get the advertised 7 hours of battery. This is with Google Chrome and like 3 browser windows open and 4 ticks below full brightness. I'm usually only using 4% of my CPU.
switch to safari and you'll probably get quite a bit more battery life.
Well, I'd hardly call Skype a simple task. Skype is known to somehow tax the CPU and engage the fans, on a Mac anyway. Have you compared Skype performance with any other (than 2011) MBP model, I'm interested to know whether Skype may be having problems with the integrated graphics specifically.