People will give you more guidance if you state your objective speculation , income,growth etc.
As a non resident foreigner my input is just an application of general principles to Kenya situation.
Experts on ground in Nairobi will give you more ideas specific to Nairobi environs.
-Any legitimate plot close to airport is a very
good buy
- There is uncertainty about the completion date
of thika road highway
If I am in your shoes my choices would have been
(1) Embakassi
(2) Kitengela
The wazua spirit as members is to educate and inform and learn from others within the limit of what we know in any chosen area irrespective of our differences in tribes, nationalities, etc. .