I have Sirius Plossls from Orion and I have no complaints. I used to use the Celestron plossl, but they phased out their standard plossl and went with a new vendor. I have no idea how they are. The Meade 4000 series plossls are Ok, but I have and a few others have mentioned that some filters won`t screw on properly, so I don`t use them. As of right now I have switched to using the Orion Ultrascopic (5 to 6 element) EP`s with great success. I like them very much. As for Televue/Nagler....they`re perhaps the best out there and they are very nice to own, however the prices for these EP`s are high. One thing about the Televue/Nagler, I cannot fit them in my Universal adapter for eyepiece projection in astrophotography. For the price, Sirius plossls are much like the older standard plossls from Celestron. If your budget isn`t big then a Sirius EP will do just fine. For $30 more you can get their Ultrascopic EP`s. Good Luck!!