I have a Airflex Pro custom which originally had the motors set up in series. I recently changed them to parallel and the difference in performance is very noticeable for the better. I was always an advocate of a series set up but now I would never change back to a series set up. For that reason if I was looking for a new machine I would have either a Storm, Evolution, or Jag. I personally really like the look of the quality of the Evolution however it looks a little heavy to use as a portable. I don't like the look of the Jag but the 8.4 motors are tempting, and as i have the the Pro I can vouch for the fact that it maneuvers well as a portable especially on stairs if it is needed, the only down point IMO is the lid is weak.
Rob
Dunno , i used parallel for a long time and it would seem weak to me now without the strong series suction ,
some of it might come down to wand technique , i tend to be a bit of a wand leaner and i dont get on with S bends .
Looks like Ashbys could sell more machines if they made a parallel version for some of you guys .
For me the Enforcer is the best design out there .... the level of thought that went into it stands out , things like shower proof , waste tank design , ease of access , general quality of fittings and finish and ergonomics . And every part of it has design thought , even the base has a door ledge runner so as not to snag , who would have thought of a detail like that , not sure if i would .
The Evolution looks like quality through out , i know i would be very happy to use one . Again little things like exposed switch panel , lack of a loading system would be a slight negative being critical .
The Jag .. im sure it looks like i bash it for the hell of it but not really , i am just extremely critical , i dont care about the looks , its how the design affects function and Radek mentions one of the flaws above . Also i need to be getting something for my money , there is nothing quality , for example the main side fan on the Enforcer (priced in maplin ) costs more than the Jags two back wheels ... and anything else on it apart from the ametek/pumptec bits .
The Storm , its not bad , i saw one with cracked lid so i have to question how is that so easy to break , also its not as neat or well thought out as the Enforcer , eg the cables dont have dedicated wrap for loading , the switch panel is exposed . But over all its not bad , good to maneuver etc