You can connect to the dream world with a ROM. The reason it's probably taking a long time to get a game sync ID is because there were a lot of people connecting at the same time.
You use both firmwares, install the version 1.34 from r4sdhc.com first, delete the files step 3 and then install the YSMenu from the R4_Clone YSMenu folder
This will get RetroGameFan's YSMenu working on your R4 SDHC with version 1.34 firmware from r4sdhc.com
All games will work fine as long as you keep the total size of roms under 1 or 2 gigs (haven't tested this properly), if you can't see a information on a game it maybe because the roms are...