<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Plato90s:
The miles-for-upgrades does result in bonus miles. It's preferable in many ways because bonus miles count toward your lifetime mileage.
So if you generate a large number of e-upgrades, you'll hit that 1MM or 2MM mark a whole lot faster if you convert to miles and then buy upgrades/upgrade with miles.</font>
This is absolutely true. I have exchanged 80 earned upgrades for 200,000 miles this year. Only a little bit more to 1MM!