I played a couple hours each of both these games on GameTap a couple years ago, and they both ran and played great, I don't anticipate it would be somehow worse from GoG, especially considering that their intent is to make old games compatible with current systems.
PC Gamer has a retrospective article in their August(?) issue, regarding Giants, and it's accompanied by a promo code for 25% off, making it 4.50 for an enjoyable and humorous game.
Link:
http://www.gog.com/en/gamecard/giants_citizen_kabuto
Enter Promo code PCGIANTS at checkout.
Valid through...
Actually, your TV has a 3.5" miniplug stereo input which is typically used with the VGA input. So you could buy this:
http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10201&cs_id=1020105&p_id=3339&seq=1&format=2
Which has the VGA and the audio cable, so you plug that into the VGA...
*&^*$&^$% Steam! Why didn't they announce this sooner? My friends already pre-ordered it for me for my birthday. Oh well, at least I'll be getting a lunchbox and a bobble head :P
I thought about getting it for PS3, but then I decided I'd just get a 35' HDMI cable for my PC and then I can do...