+1 on the focal reducer, diagonal, and eyepiece, as well as the CPC11 tripod (I'll have to look for one as well, to compare to the GPS11 tripod; the CPCS are supposed to be better.
Note that, insofar as wide fields are concerned, and ignoring vignetting from the baffle tube, maximum barrel-limited fields in any scope are reached, approximately, in a 20mm 82 degree eyepiece for 1.25, and in a 30mm 82-90 degree eyepiece for 2" holders. Longer fl eyepieces give the same true field but a narrower, brighter apparent field. Maximum should be 50 degrees on a 50 or 55mm eyepiece. I have not combined either WS with a focal reducer on my SCT yet, but a huge Lumicon awaits the AZ move to meet my C11.
If you try the reducer, a 55mm 50 degree Televue plossl is a somewhat affordable wow! if apparent field is not an issue, nearly same true field as the Widescan, and a reputation for sharpness. I have shorter ones, and they see more use than anything else now, very sharp.
If on a budget, the widely cloned 30mm 82 degree Widescan, 1RPM, Owl, and others can work reasonably well in a f10 SCT. They should be about $75, and come from the era of multicoated eyepieces. Despite many disparaging comments, usually from non-owners, they are sharp on axis and pick up abberations 2/3 out. I tend to recenter, or use a tracking mount, so I never cared. I use it with a Baader MPCC properly spaced, and have only happy times, even on my f5 refractor. 20mm UO (University Optics) Widescans are quite sharp and easy to buy for sane money, just use a WTB ad. Just don't try the 30 on a dob, very, very bad match without a coma corrector and flattener.
I will add one of the absolute the best upgrades, a Baader Clicklock in 2" with a 1.25" to 2" Clicklock adapter (maximizes other choices in the train), either as a SCT thread or nosepiece, or an SCT to 1.25 Clicklock. No more SCT gland nut diagonals unscrewing themselves and dumping eyepieces. Like the motorized focusers, they all got one.