In my opinion, the Owon PDS5022 seems to be a good choice:
- Very affordable price.
- Good resolution (VGA 640x480) althrough it's only STN so contrast is not good as an TFT.
- Have a nice peak detect mode.
- The update rate is a bit slow but quite useful.
There is also another good candidate. I have no opportunity to play with, but the specs seems OK: about 350..400USD (according to previous bids), 1Gs, 100MHz, 4 channels, TFT 640x480, 3yrs warranty, free shipping...
From the outside look, it's almost an Agilent clone.
look at
www.ebay,com, article #190299422214