I got my 2100 last night, and used a combination of presets and learning to put every single function of my six remotes into the 2100, including the yamaha DSP functions, and did not find one problem function.
I figured I would post my components, so others that may have been wondering, and who may have similiar setups will feel confident in this remote.
RCA Direct TV system - Single NDB
Toshiba Cinima Series TV (SEVEN YEARS OLD)
Yamaha RX-596 receiver with DSP
Sony DVD
Quasar 4head VCR
Sony 8MM Camcorder
By the way I got my 2100 for $89.00 with delivery, $108.00, from:
[Link: electronicsemall.com]Finally, a product that works as advertised.