In terms of bagging I would have to vote for the W21 Husqvarna (now out of production).
I also have a Snapper "commercial" hi-vac which does very well if it's dry (bag is huge) but has problems in the wet.
I've heard that Honda HRC bags very well, but since I've never owned one...
F-250 5.4 V8 stand. cab, tandem trailer
Ferris IS3100Z 61" L Kaw, Hydrocut 36" 13hp Kaw
Shindaiwa T3410, EB8520 Maruyama HT2300, MS047
Stihl FC85, MS192T, 041AV, MS200