They matter if you are going to get all of them... :bsmilie::bsmilie:
Seriously, if you know there are some focal length/aperture you need, you should be smart enough to pick out brands of cameras that offer that lens.
If they don't matter to you, why do you care? :dunno:
Being new to photography, my current interest is mainly in day/night scenery (preferably with non-moving objects in the scene) which I think that even the kit lens will do pretty well for this purpose.
Probably I was thinking too much into the "future" where if I have other new found interest and the variety of lens that limits me (Come to think of it, it might not even happen). Should that happen, I guess I would be selling the Camera and probably all lens to get a brand that fits those new requirements. (That may also means more damage....)
The deciding factor for settling down with Canon 500D instead of Pentax KR was probably largely due to ergonomics factor (personally, felt that KR is quite small to hold...and the 500D is just right for my hand with the battery grip). Don't think I can "tahan" holding something that feels abit strange(small) for a long period of time.
To answer my own starting question "
First DSLR - Does variety of lens matters?"
IMO, It don't matter if you have already identified your shooting preference (e.g Sports, Landscapes, Night Scenery, Night sports, Wildlife etc.) as you will be be able to pick the brands that offer those lens for your needs.
OTOH, If you don't have any shooting preference yet, IMO again, it would be better to go for a brand that offers more variety. Or you could start off with any brand with Kit lens, and use it to know your own shooting preference and then make your decision from then (to either Upgrade Lens or Change a brand to suit needs).