Yep 1.25" are fine, I used to use an LRGB set plus Ha, SII, OIII when I had my 314L+.
I used the Orion manual filter wheel
http://www.bintel.com.au/Astrophotog...oductview.aspx), it was fine and well built but if you've got the budget go for a motorised one.
It's a great little camera
