Good to hear your experiences have been better, although what times have you travelled on them? Unfortunately, most of the journeys I have been on have been around 9 minutes late, with 1 a few weeks ago being nearly 40 mins late! There's been a few that have run within a few minutes on time, but they've been too far apart sadly.
A variety of services - anything from the 08:35 leaving Knutsford to the 15:05 leaving Knutsford and various return times. I've found the ones around driver changeover times the least reliable.
The Streetlites do have a more jarring ride, although I've never understood (beyond lightness) why they vibrate so much. In terms of seats, I feel the seats on the Streetlites are deeper cushioned and to me feels more secure and comfortable - the 13 plate Solos feel nice, but quite plasticy and not 'moulding' to me when I sit in it. (It's interesting how we're discussing seats on buses, not something I ever imagined I'd discuss!)
To me the Streetlite seats look like they'll be more comfortable than they actually turn out to be and while the leg room is inconsistent depending where you sit overall they seem to have less leg room. The SRs have always smelt fresher to me - presumably the fabric on the Streetlite seats isn't that easy to clean. The interiors are also much darker on the Streetlies than the Solo SRs - I think not having a transparent window behind the driver is one reason but the LED lighting on the SRs is the other reason.
I think the Streetlite is Wrightbus' first attempt, while the Solo SR is Optare's Solo Mk II - so less rattly, smoother running engine and more fuel efficient.
While it's not well promoted 5 of the 6 13 reg Solo SRs have free wi-fi available - if you connect to the network Cheshire East Free Wi-fi (not another one that appears called D&G Free Wi-fi.) I get the impression the wi-fi broke on YJ13 HNF and D&G aren't bothered about fixing it. Although, if they reappear on the 88 route then it should be noted there's a no signal section through Chorley and Great Warford.
How come the Go Goodwins vehicles have the extra lights and horns on them? Is it just an aesthetic thing, or do they have a reason for it?
The horns are louder than the standard horns fitted to Solos/Enviro 200s. I'm not sure if the reason for the extra strips of lights is to make the bus look more fancy or whether they thought it might be safer if the bus is more illuminated.