The Lubitel will be pretty plasticky, but actually does an impressive job for what it is. But I agree with Vood, if you could find a nice Yashica you'd probably be better off. For under $20 the Lub isn't too bad a deal.
Other cheaper MF TLR cameras are:
Minolta Autocord
Rolliecord
Rolleiflex (usually $300+, but I found one at a garage sale for $150 so keep your eyes peeled)
Mamiya C22, C33, C220, C330 (the C22 and C220 usually go pretty cheap)
If you are used to a 35mm SLR, you will find a TLR fairly easy to use. If you are a little more adventurous, you can try the MF folders. Sometimes they have rangefinders, sometimes it's just you estimating focus distances. The learning curve is steeper than for a TLR, but there are many very cheap models out there (as low as $15 or $20) that take a great pic. I've been using an Ansco Titan 6x6 folder (my avatar) for a while now with my family snaps, and I love it. It took 30 or 40 rolls to really get used to it (mainly the estimation focusing), and it's not for all kinds of photography, but like I said, it was cheap. I have three of them now, and I paid $15, $40, an $70 for them, averages out to about $40 a piece.
Edit: obviously you aren't looking to spend a lot of money, but just a heads up: Bronic MF SLRs are great cameras and going cheap used these days. I've seen nice ones go for $300 with a lens, WL finder, and a film back. That's amazing for a MF SLR.