Remember the time when our TDF gang had that leaseweb server and one fine day it was completely wiped with no backup. The company also claimed it wasn't their fault and all data was lost. Those were the days
Price and availability. Models are few and far in between with pricing not the most attractive. ASUS for example has models all over the range. Same for HP and lenovo.
Also, not sure how good Dell service is. Heard some bad stories back in the day