1. Express cache (the 8GB Accessories SSD): At start-up + Start of frequently used programs, there is a perceptible gain in speed. However, it does not affect what ends up right in the Express cache. Thus, it can not be flexibly designed and as with all computers that are equipped with conventional HDD, my advice is to convert to SSD.
2. Space: a joke at this price, you have to watch the YouTube video and remedy the problem yourself, but should not be.
3. WLAN: Broadcom built-up card is really a disaster. Luckily there for under 20euro Replaceable Units.
4. Touchpad: In fact getting used to, but as time goes quite well.
5. Battery: Keeps me loose 7Stunden in Office / Internet operation - In addition, the thing very well be replaced.
6. heat generation / fan: In normal operation almost inaudible. Also ne Silent button that immobilize the fan there (of course, performance even lower). Once high demands are placed on the NB, the fan as IRR revs (from about 70 degrees). A more gradual fan control would be more comfortable.
Conclusion: If you want to create something myself nor hand, the is highly recommended that Chronos 7. Power is the component corresponding to very good. However, it suffers, unfortunately, to completely avoidable mistakes - is perhaps because it is produced by a certain company, which supplies just Apple. Possibly the designer had the spacebar bracket early the job 'acknowledged' ...