I've had my Prime for about 2 weeks and have been very happy with it.
I'm posting this because I'm sure there are many other potential buyers hesitating due to all the negative discussions recently.
Initially, I was reading about WiFi and GPS issues online. The stores I asked were telling me of WiFi and GPS issues... blaming it all on the metal casing.
Even so, I took the plunge and got it based on the following:
WiFi: Anandtech's testing seemed to show WiFi performance is comparable to other tablets in his tests after he got some new retail sample units from Asus.
GPS: Will be using it at home, so no use for GPS. Also, for comparison, Wifi only versions of ipad2 do not even have GPS.
After using the Prime on WiFi at different locations, I can confirm that it is no worse than the Acer A500 or my Nexus One phone.
Alsp, please also refer to this test image done at another forum.
Notebooks obviously will have better reception so that is not a fair comparison.
Therefore in my opinion, the whole WiFi issue was just blown out by the GPS issue.
There may also have been an initial small batch of engineering samples with broken WiFi that fueled the negative publicity, which is just bad luck for ASUS.
But I believe Mass Production units should not have this issue.
Also, people should be comparing the Prime with comparable tablets/ipad and not with notebooks.