Congrats on your start..
Ive been using the 890 (891,2,3,4,5, same router different accessories) for about a year, long jobs (5+ Hours) and I really like it, its never giving me trouble until about a week ago.
Its got plenty of power and the speed control is very nice and smooth, its a feedback type and has a magnetic disc "encoder" so it can keep constant speed even under variable load. the 690 has no speed control and IMO spins too fast for our machines, 23000rpm.
I usually keep my router in the 10,000-16,000 rpm range for most things. I cut at around 120IPM max, my machine starts to flex and bounce too much for my liking at fasters speeds.