New Comcast Customer... what to expect

Hi - I just moved into a new area that is comcast service only. I have 2 romio pros and 1 tivoHD.

I ordered the HD package called the "premier" and 3 cablecards. Installer scheduled in 2 weeks.

Ive read some things... so im trying to be as prepared as possible. First, the cost for the cablecards are a bit high. The first card is "free", the 2nd card is $9.95 and the 3rd card is $9.95. This seems a bit high - but what do I know? Im new to Comcast.

Lets talk about my tivos. Im guessing the Comcast cablecards will work with my tivo's listed above just like did with my other cable company? Will there be any issues with the TivoHD? (I just want it to record 2 HD channels at the same time). after reading this, it seems as though the cablecard from comcast performs differently than my past cablecard? in the past, I was able to record 2 hd channels at the same time, however reading this link, it seems as though i'll need 2 cablecards JUST for the series 3?? At a cost of $10 per card, that's $20 per month just for the series 3...

http://ift.tt/1UHD84b

As for the 2 Romio Pros, will i have any problems recording 6 hd channels at the same time?

Thanks in advance.
Joe