Dremel router attachments?

[thumbninja]

I'm trying my best to do this project cheap  

I have a Dremel Pro, and a routing bit in the right size for the T-molding. I've been trying to find a Dremel attachment that would just make the line straight. It would seem that this is the first time I've ever needed to rout a groove in wood, and would feel silly paying $40-$200 for the ability to rout out these grooves.

I also considered going slowly by hand along a marked line. Sounds tedious, but if it saves me $50+ dollars, I'll ride it out. I work with tedious projects all the time (my business as a sculptor)

[Mameotron]

Well, it's not $40...

http://www.grizzly.com/products/item.cfm?itemnumber=H3818



And for those of you who don't mind spending a bit more...

http://www.stewmac.com/shop/Tools.html

Edit:  Can't seem to get the link to work... click on the one above, then on that page click on Dremel Rotary Tools, Attachments.