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Anthony,
The advise Mark gave you was spot on.
I will add a couple of additional considerations.
The scope you own has very good optics and will benefit from the use of premium eyepieces and accessories. On the basis that it is fairly fast, cheaper eyepieces will not perform as well towards the edge of field as premiums due to the angle of incidence of the light cone as it enters the field lens of the eyepiece.
If you buy widefield high quality eyepieces like Pentax XW, Nagler, Panoptics, Radians or Vixen LVW you need to buy less of them than if you buy eyepieces with a narrower FOV. With high quality widefield eyepieces you can get away with 2 and a good barlow as a minimum, 3 and barlow is very comfortable, 4 and a barlow is luxury. With narrower FOV eyepieces you really need 4 and a barlow IMO.
The last thing to keep in mind is that if you buy high quality eyepieces you will keep them forever and if you do end up wanting to sell them they will always command a good price for them, 5 yr old c**p eyepieces are worth c**p.
My recommendation is basically the same as Mark has given you. Firstly, be patient as you save to aquire more or better quality equipment. For the moment just buy a "GOOD" 2X barlow like the Orion Shorty Plus, a cheap barlow is a waste of money and a step backwards IMO. Better still if you can afford it is the TV Powermate. In terms of eyepieces, I would just use what you have for the moment and get a bit of a handle on what type of targets you prefer to observe, then make a more informed decision on what focal length eyepieces ight suit you as you save your pennies for a quality eyepiece. FWIW Andrews does not sell any high quality eyepieces, but he certainly offers the best deals going on the cheaper items.
CS-John Bambury
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